Pair Work - Effects of Proficiency Differences and Patterns of Pair Interaction on Second Language Learning Collaborative Dialogue Between Adult ESL Learners

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Effects of proficiency differences andpatterns of pair interaction on secondlanguage learning: collaborative dialoguebetween adult ESL learners

Yuko Watanabe and Merrill Swain Ontario Institute for Studies in Education of the University of Toronto, Canada

This study investigated the effects of second language (L2) proficiency differences

in pairs and patterns of interaction on L2 learning, making use of both qualitative and

quantitative data. We designed the study in such a way that four different coreparticipants interacted with higher and lower proficiency non-core participants.

These learners engaged in a three-stage task involving pair writing, pair comparison

(between their original text and a reformulated version of it) and individual writing.

The core participants also engaged in a stimulated recall after the task. We analysed

each pair’s collaborative dialogue in terms of language-related episodes and patterns

of pair interaction (Storch, 2002a) as well as each learner’s individual post-test score.

The findings suggested that the patterns of pair interaction greatly influenced the

frequency of LREs and post-test performance. When the learners engaged in

collaborative patterns of interaction, they were more likely to achieve higher post-test scores regardless of their partner’s proficiency level. It seems that proficiency

differences do not necessarily affect the nature of peer assistance and L2 learning.

I Introduction

In this article, we examine collaborative dialogue between adult ESL learners

of different L2 proficiency1 levels. Collaborative dialogue is ‘dialogue inwhich speakers are engaged in problem-solving and knowledge-building’

(Swain, 2000). This concept was extended from the output hypothesis (Swain,1985; 1995) which was based within an information-processing framework of learning. However, Vygotsky’s (1978; 1986) sociocultural theory of mind

prompted us to move beyond output (i.e. speaking and writing) as a meremessage to be conveyed, to collaborative dialogue – a tool of cognitive activ-

ity that mediates L2 learning (Swain, 2000).A number of recent studies have shown peer–peer collaborative dialogue to

be an important aspect of L2 learning (see Swain et al., 2002 for a review).

Yet, several studies have found that the patterns of interaction vary across

Language Teaching Research 11,2 (2007); pp. 121–142

Add f d Y k W b M d L C OISE/UT 252 Bl S


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peer groups, and more importantly, certain patterns of interaction are claimed

to be more conducive to L2 learning than those of others (e.g. Guerrero andVillamil, 1994; Kowal and Swain, 1994; 1997; Lockhart and Ng, 1995;

Nelson and Murphy, 1993; Storch, 2001a; 2001b; 2002a; 2002b).

Proficiency differences have been debated as one of the influential factorsin the nature of peer–peer interaction. Although peer–peer interaction involv-

ing different proficiency learners is commonly observed in a L2 classroom,surprisingly little research has documented how learners with different profi-

ciency levels interact with each other, and whether such a grouping is usefulfor L2 learning (but see Kowal and Swain, 1994; 1997; Leeser, 2004; Yule andMacdonald, 1990). If we accept van Lier’s (1996) claim that students learn

through teaching other peers, more proficient students are likely to benefitfrom working with less proficient peers. But is this really the case? A further

question concerns whether less proficient learners truly benefit from receiv-ing more proficient learners’ help as they may not be developmentally readyto discuss some linguistic problems (Leeser, 2004). The present study, there-

fore, seeks to understand the effects of proficiency differences and patterns of interaction on L2 learning.

II Background

1 Peer–peer interaction and patterns of pair interaction

Although the role of interaction involving L2 learners has been greatly

debated in the second language acquisition (SLA) literature for over twodecades (see Gass, 1997; Pica, 1994 for a review), much of the researchfocused heavily on quantitative accounts of linguistic behaviour with little

attention to the socially constructed nature of interaction. Recently, however,the nature of interaction and its significance to L2 learning has started to

receive some attention.One of the key studies is Storch’s (2001a; 2001b; 2002a; 2002b) longitudi-

nal investigation into the nature of pair interaction in an adult ESL classroom.Based on her pair talk data, she identified four patterns of interaction amongstpairs. In the collaborative pattern, both learners work together throughout the

task completion process and assist each other. Dominant/dominant pairs, onthe other hand, show an unwillingness or incapability to engage with eachother’s contribution. Dominant/passive pairs involve a dominant participant

who takes control of the task with an authoritarian stance, and a passive peerwho maintains a subservient role. Finally, in expert/novice pairs, the more

knowledgeable learner (expert) actively encourages the less knowledgeablelearner (novice) to engage in the task. Storch also found that more instancesof knowledge transfer took place in the pairs with a collaborative orientation

(collaborative and expert/novice) than the pairs with a non-collaborative

122 Collaborative dialogue between adult ESL learners


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no transfer of knowledge or missed opportunities – the lack of engagement

about language items in the pair talk results in errors on individual perform-ance (Storch, 2002a).

2 Peer–peer interaction and proficiency differences

Although Storch’s focus was not on proficiency differences, her 2001a studyrevealed that the pair with the highest proficiency difference (low and upperintermediate) was most collaborative in engaging in the task compared to the

other two pairs. Furthermore, the pair with some degree of homogeneity (lowand intermediate) was found to be a non-collaborative dominant/dominant

pair, which showed less transfer of knowledge and more missed opportuni-ties. Storch therefore suggested that proficiency differences may not be the

major reason for a non-collaborative orientation.However, Kowal and Swain (1994; 1997) revealed contradictory findings.

Their data with grade eight French immersion students documented that in a

highly heterogeneous grouping (e.g. upper-middle and low), the stronger stu-dent tended to carry out most of the work either because the weaker studentwas too intimidated to say anything, willing to let the stronger student do the

task, or was not allowed to do any of the task whether their opinion was validor not. Successful scaffolding requires the group members to respect one

another’s perspectives and trust each other’s opinions (Stone, 1993). This may

be difficult to achieve when proficiency differences are too large.Yule and Macdonald (1990) investigated whether different proficiency

pairs could work successfully if each member was given appropriate interac-tive roles. In their task with adult ESL pairs, the more dominant role was to

provide map directions and the less dominant role was to identify the direc-tions with a slightly different map. They found that when the lower profi-ciency member was responsible for the more dominant role, there was more

negotiation of meaning and a successful resolution of referential conflicts.Conversely, when the higher proficiency member played the more dominant

role, they engaged in little negotiation. The higher proficiency membersseemed to ignore their lower proficiency partners’ contribution while thelower proficiency partners often assumed a passive role.

Leeser (2004) focused on the impact of learner proficiency on language-related episodes (LREs)2 – instances of collaborative dialogue (Swain,2001) – in an adult L2 Spanish class. An LRE is defined by Swain and Lapkin

(2002) as ‘any part of the dialogue where learners talk about the languagethey produced, and reflect on their language use’ (p. 292). Leeser analysed thefrequency, type (i.e. lexical or grammar-based) and outcome of LREs (i.e.

problem solved correctly, not solved or solved incorrectly) produced by threedifferent groupings: high-high, high-low and low-low. He found that as the

overall proficiency of a pair increases, the learners produce a greater number

Yuko Watanabe and Merrill Swain 123


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peers in their performances, Leeser was led to wonder if the high-proficiency

learners actually benefited from their interaction with their low-proficiencypartner, and what the basis was of the improved performances of the low-

proficiency partners (relative to those in the low-low groupings). What role

did the nature of the interactions within each pair play? These questions,however, cannot be answered from the quantitative analysis of LREs alone.

Our literature review revealed that despite its significance, the issue of peer–peer learning between learners of different L2 proficiency levels elicited

few studies in the field of SLA. Moreover, the few studies that addressed thisissue examined the interaction of pairs involving different proficiency learn-ers. Such a research design fails to consider how the same learners interact

with higher and lower proficiency peers. The present study was conducted inan attempt to provide insight into this under-explored area, using a more

appropriate research design. The overall research question is how proficiencydifferences and patterns of interaction affect L2 learning. We broke down thisquestion into the following four specific questions:

1) What is the relationship between proficiency differences in pairs andthe frequency of LREs produced?

2) What is the relationship between proficiency differences in pairs and thelearners’ post-test results?

3) What is the relationship between patterns of pair interaction and

the frequency of LREs produced?4) What is the relationship between patterns of pair interaction and the

learners’ post-test results?

III The study

1 Participants

The participants were 12 Japanese learners in a non-credit ESL programme at

a Canadian university. We recruited only Japanese learners so that the firstauthor could conduct interviews in Japanese, their first language, whichallowed them to express their thoughts and feelings without any language bar-

riers. Furthermore, controlling the L1 background helped to reduce differ-ences in communication styles, which ‘may lead to conflict among . . . groupmembers’ (Allaei and Conner, 1990: 20).

The study involved two different types of participants: core and non-core.Each core participant interacted with two non-core participants whose Englishproficiency was higher and lower than their own. There were four core and

eight non-core participants (four higher and four lower). We placed each par-ticipant in one of three proficiency groups (lower, intermediate and higher)

using their scores of the shorter version of a model TOEFL.3 Our criterion was



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Table 1 Participants

Non-core: Lower Core: Intermediate Non-core: Higher

Male Name Shu Jun Gou

Modified TOEFL 385 447 538

Name Sota Yoji Ken


Female Name Aya Emi Nana


Name Rina Mai Chie


English learning history and available scores for English proficiency tests. Weintentionally formed pairs of the same gender, considering Gass and Varonis’s

(1986) findings that Japanese men seem to dominate conversations whenworking with women. We also intended to organize all pairs so that they werefamiliar with each other, but it was impossible to form eight friend–friend pairs

due to their similar proficiency levels. Consequently, only one core participant(Jun) and both of his partners were friends whereas the other core participants

and their partners were not acquainted. Table 1 presents each participant’s

name (pseudonym), gender, and test score.

2 Methodology

We collected the data in a university seminar room after classes. Table 2

describes the timeframe and events of the data collection procedure for onedyad. The data presented in this paper come from stages 2 to 5.

Stage 1: Pre-task interview. The first author interviewed each core partici-pant to elicit their attitudes towards peer–peer learning in ESL/EFL classes.

Stage 2: Pre-test. At the beginning of the session, each pair engaged in a5-minute warm-up activity. Following this, the first author described theupcoming writing task and provided a practice session using a sample writ-

ing topic. Each pair then jointly wrote a target essay on a specific topic. Thelearners were advised that they could not have access to any aids such as adictionary or the researcher during task completion so that we could see how

two learners with different proficiency levels jointly solved linguistic prob-lems. The pairs took between 34 and 74 minutes to complete their composi-tion. Their joint text was considered as a pre-test because it represented how

much the pair could do together without using any external help (Swain andLapkin, 2002).

Reformulation: A native speaker of English reformulated the joint text


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2

D a t a c o l l e c t i o n t i m e f r a m e a n d e v e n t s

1

W e e k 2

d a y

M o n d a y

W e d n e s d a y

F r i d a y

1

S t a g e 2

S t a g e 3

S t a g e 4

S t a g e 5

S t a g e 6

a s k i n t e r v i e w

• W r i t i n g ( p r e - t e

s t )

• N o t i c i n g

• W r i t i n g ( p o s t - t e s t )

• S t i m u l a t e d r e c a l l

• P o s t - t a s k i n t e r v i e w

o n l y

• P a i r

• P a i r

• I n d i v i d u a l

• C o r e o n l y

• C o r e o n l y

p a n e s e

• i n E n g l i s h



• i n J

a p a n e s e

• i n J a p a

n e s e

i n .

• n o l i m i t

• n o l i m i t

• n o l i m i t

• 3 0 m i n .

• 3 0 m i n .


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(Swain and Lapkin, 2002: 291). Reformulation involves having a native

writer of the target language rewrite the learner’s essay, preserving all thelearner’s ideas, making it sound as nativelike as possible (Cohen, 1983: 4).

Learners then compared their original draft and the reformulated version of it.

Several studies suggested that this comparison stage promotes learner’s notic-ing (Adams, 2003; Lapkin et al., 2002; Mantello, 1997; Qi and Lapkin, 2001;

Swain and Lapkin, 2002; Thornbury, 1997).Stage 3: Noticing. Each pair was given their original text and the reformu-

lated version of it, both typewritten prior to the session. They were asked tonotice and discuss the differences between the two texts. Each pair spent 10to 29 minutes. During stages 2 and 3, the first author took observation notes,

noting any salient features of the interaction. Their interactions in these stageswere audio- and video-recorded. We employed video-recording in addition to

audio-recording so that the learners’ paralinguistic expressions such as ges-tures and facial expressions during their interaction could be incorporatedinto the analysis of their interactional patterns. Informal conversation with the

participants following the data collection revealed that most of them felt thatthe videotaping did not affect their performance or did affect it but only at thebeginning. However, one participant mentioned that he felt as though he was

in an ‘artificial’ atmosphere because of the video-recording.Stage 4: Post-test. Each pair member received a typed copy of their origi-

nal text and was asked to write the essay again, making any changes they

wanted. This individually written text was considered to be a post-testbecause the changes the learners individually made to their rewrite of their

original story represent what they learned from noticing the feedback (in thereformulated text) and from their dialogue about it. In many cases, they are

directly traceable to what the learners noticed in the reformulation relative totheir own text.

Since the core participants were required to go through the same full set

of stages twice, after the first time, they would know that they would be testedin stage 4, which could influence their second post-test results. To avoid this,

all participants were informed of the upcoming post-test before engaging inthe noticing task with their first pair partner to make the data as comparableas possible. The pair members worked individually and spent 10 to 37

minutes.Stage 5: Stimulated recall. The first author conducted a stimulated recall

interview with each core participant after working with each of their profi-

ciency partners.4 Stimulated recall is a type of introspective method in whichprompts such as videotaped interaction of themselves are used to stimulatethe learners’ recall of their thoughts at the time of the activities originally took

place (Gass and Mackey, 2000). We used this method in order to incorporatethe core participants’ perspective of their behaviour during their interaction so

that we could better understand the nature of their interaction which may not



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during their interaction. In particular, we were interested in characteristics

representative of a novice, expert , collaborative, dominant and passive part-ner as per Storch (2001a; 2001b; 2002a; 2002b). For example, according to

Storch, a long monologue characterizes dominant behaviour. Thus, if a core

participant produced a long monologue during his/her interaction, we showedthem the monologue and asked what he/she was thinking at that time.

Stage 6: Post-task interview. After the stimulated recall, the first authorinterviewed each core participant to elicit their feelings about their interac-

tions.Each core participant performed stages 2 to 4 with two different partners.

Since they were required to write an essay with two partners, we prepared two

writing topics as shown in Table 3. The topics were adapted from ‘writingtopics’ in TOEFL to ensure equivalence. In addition, we did not inform the

participants about their partners’ proficiency levels in order to avoid themhaving preconceived ideas about their partners’ proficiency. However, sinceJun and his partners were all friends, their proficiency levels were known to

each other.

3 Data analysis

a Language-related episodes (LREs): We transcribed the pair talk andinterviews. The transcribed pair talk was coded for LREs in terms of fre-

quency.5

We first counted the frequency of LREs per pair in each stage,followed by counting the frequency of turns per LRE. Each time one person

spoke, it was counted as one turn. Finally, we calculated the ratio of turns perLRE by each pair in each stage. The first author coded all the transcripts andthe second coder coded 25% of the transcripts. Intercoder reliability was 94%.

We compared the frequency of LREs between core-low and core-high pairs.Because of the small sample size ( N 12), this comparison could not be

examined statistically. Therefore, in this paper, we consider any differenceunder 5% as equivalent due to possible error in coding. A difference of 5% to


Table 3 Dyad grouping

Core participant Week Partner Writing topic*

Male–Male Jun 1 Shu (Lower) A

2 Gou (Higher) B

Yoji 1 Ken (Higher) B

2 Sota (Lower) A

Female–Female Emi 1 Aya (Lower) B

2 Nana (Higher) AMai 1 Chie (Higher) A

2 Rina (Lower) B


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10% is considered as a trend and a difference greater than 10% is regarded as

a difference. We also applied this to the post-test results.

b Patterns of pair interaction: We also analysed the transcribed pair talk

for patterns of interaction. For this analysis, we used Storch’s (2001b) ‘pat-terns of dyadic interaction and associated traits’ as a guideline. Storch

describes four distinct patterns of interaction and their traits in terms of:1) pattern of contribution; 2) decision-making behaviour; 3) nature of assis-tance; and 4) discourse and linguistic features.6 We coded the pair talk tran-

scripts for these traits. Based on the coding for each category, we attemptedto identify each pair as fitting one of the four patterns. The observation notes

taken by the first author and the stimulated recalls were used to supplementthis analysis.

The stimulated recall comments helped us to better understand the coreparticipants’ intended role and behaviour in their interaction. For example, atfirst glance, Yoji and Sota’s pattern of interaction during the noticing stage

could be considered as a typical dominant/passive pair because it consisted of Yoji’s long monologues and Sota’s echoic repetition and acknowledgements(Excerpt 1). However, a closer examination of the dialogue led us to specu-

late whether Yoji was actually trying to encourage Sota to speak. Yoji’s stim-ulated recall comments (Excerpt 2) confirmed that he was indeed attempting

to involve Sota in the task.

Excerpt 1: Yoji and Sota in stage 37

Yoji: The composer, subject is the composer … so should be ‘expresses’ (looks at Sota)

need ‘s’? … “The feelings” … feelings [instead of feeling] … because their, their

[feelings]? … “was thinking … thoughts.” Thoughts … because thinking is …

Ahh! … Do you know why this one? He [the reformulator] put thoughts [instead

of thinking]?

Sota: Thoughts

Yoji: Yeah.

Sota: Ohhh … (silence)

Yoji: It’s not a gerund, feelings or thoughts, noun. So this is kind of parallel . . . so we

have to put two nouns, not one noun with and a one gerund, ah gerund. So that’s

why he put thoughts [. . .] “So, singing a song is also important because it is useful

to express our feelings.” Again . . . so . . . mmm, our feelings, right? Not my feel-

ing, so we have to put ‘s’, right?

Sota: Okay.

Yoji: “In short because music affects on our life.” Not on our life. First . . . do you know

why?

Excerpt 2: Yoji’s stimulated recall

I know I asked him persistently because I really wanted him to say something. [. . .] I

knew the answers But if I was solving them by myself it’s like ‘why is Sota here?’ [ ]



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c Pre- and post-tests: We scored the pre-test by counting the number of items that the reformulator changed. Since the number of words in each pair’s

text was different, the number of reformulated items was calculated as apercentage of the total number of words. This percentage is considered to be

the pre-test score. We coded the post-test by noting whether each participantgot the reformulated items right or wrong. Items were considered correct if: 1)they match the reformulated version, and 2) they were an acceptable correctalternative (Swain and Lapkin, 2002). After counting the number of correct

items, this number was calculated as a percentage of the total number of refor-mulated changes from the pre-test. This percentage is regarded as the post-test

score. The first author coded all the tests and a second coder coded 25% of thepre- and post-test data. Intercoder reliability was 93%.

IV Findings

1 What is the relationship between proficiency differences in pairs and

the frequency of LREs?

Table 4 presents the mean frequency and range of LREs and turns, and theratio of turns per LRE for the core-low and core-high pairs in stages 2 (writ-

ing) and 3 (noticing). We see that the core-high pairs produced a higher

frequency of LREs ( M 29.3) and turns ( M 114) than those of the core-low pairs (Mean LREs 19; Mean turns 80.3) during stage 2. However, instage 3, the core-low pairs generated about the same frequency of LREs( M 20.5) as the core-high pairs ( M 19.8). This may be related to the

amount of reformulation that each group received. That is, the trend indicatedthat the core-low pairs received slightly more reformulations (18%, see

Table 5) than the core-high pairs (11.5%, see Table 5) and hence, the core-lowpairs had more items to discuss during the noticing stage.

In terms of the ratio of turns per LRE, little difference is observed in the

highest range between the core-low (4.6 in stage 2; 14.2 in stage 3) and core-high (4.6 in stage 2; 14.1 in stage 3) pairs. However, when examining the

lowest range, we can see that the core-high pairs produced more turns (2.9 instage 2; 7.8 in stage 3) than the core-low pairs (1 in stage 2; 3.7 in stage 3).This suggests that on average, the core-high pairs talked longer per episode

throughout the two stages than the core-low pairs.Table 4 also shows that both core-low and core-high pairs produced far

more turns per LRE during stage 3 ( M 9.8 and 9.2 respectively) than they

did in stage 2 ( M 4.2 and 3.9 respectively). This suggests that thenoticing task stimulated longer collaborative dialogues than the writing task.

When considering the average time that both core-low and core-high pairsspent for each task (57 and 58 minutes for writing; 21 and 17 minutes for



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M e a n f r e q u e n c y a n d r a n g e o f L R E

s a n d t u r n s , a n d t h e r a t i o o f

t u r n s p e r L R E f o r t h e c o r e - l o w

a n d c o r e - h i g h p a i r s i n S t a g e s 2 a n d 3

n c y

C o r e – L o w

C o r e – H i g h

( M e

a n f o r 4 d y a d s )

( M e a n f o r 4 d y a d s )

L R E s

T u r n s

T u r n /

T i m e

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L R E s

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t a g e 2 .


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2 What is the relationship between proficiency differences in pairs and

the learners’ post-test results?

Table 5 compares the post-test scores between core-low and core-high pairs.We see that the core-high pairs as a group scored higher on average (63%) thanthe core-low pairs as a group (50%). In spite of this, the average of the core

participants’ individual post-test scores after working with their higher profi-ciency partners was slightly lower (58%) than their scores after working with

their lower proficiency partners (64%). In other words, although the differencewas small, the trend indicated that the core participants achieved on averagehigher scores when working with their lower proficiency partners.

3 What is the relationship between patterns of pair interaction and the

frequency of LREs produced?

Among the eight pairs in this study, seven fell under one of Storch’s (2002a)patterns of pair interaction, yet one pair did not neatly fit into any of her cat-egories. The seven pairs were identified as the collaborative (3 pairs),

expert/novice (3 pairs), and dominant/passive (1 pair) patterns of interaction.No instance of a dominant/dominant pair was observed in this study. Excerpts

3, 4 and 5 show examples of each of the three patterns of interaction, eachfollowed by an explanation of characteristics of each pattern as outlined by


Table 5 Pre- and post-test scores in core-low and core-high pairs

Pre-test* Post-test** Range (%)

(% of (% of items matching

reformulations) the reformulation) Highest Lowest

Core-Low 18 Core & Low (N 8) 50

(Mean for Core (n 4) 64 72 57

4 dyads) Low (n 4) 36 52 17

Core-High 11.5 Core & High (N 8) 63

(Mean for Core (n 4) 58 67 49

4 dyads) High (n 4) 68 74 65

Notes : *The pre-test was scored by counting the number of reformulated items. Since

the total words in each pair’s text were different, the number of reformulated items

was calculated as a percentage of the total words in each text. This percentage is

considered to be the pre-test score; **The post-test score was coded by noting

whether each participant got the reformulated items right or wrong. Items were

considered correct if: 1) they matched the reformulated version, and 2) they were an

acceptable correct alternative (Swain and Lapkin, 2002). The number of correct items

was calculated as a percentage of the total number of reformulations from the

pre-test. This percentage is regarded as the post-test score.


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Excerpt 3: Collaborative (Jun and Gou in stage 2)

265 Gou: [. . .] diminish, deplete like decreased? But not decreased.

266 Jun: Reduced?

267 Gou: Reduced, yes. “Although the carrying capacity of airplanes is smaller thanthat of ships” . . . airplanes have reduced . . . reduced . . .

268 Jun: Time of?

269 Gou: Time?

270 Jun: I hope

271 Gou: I don’t know . . . time. What kind of time?

272 Jun: Time um time .. . ah

273 Gou: Time of transportation? Not transportation

274 Jun: No no no . . . time of the . . . maybe quick

275 Gou: Quick?

276 Jun: Just time of trade?277 Gou: Um-hmm. Right. Business letter is important for . . . ah but we can use fax.

278 Jun: Hmmm. How about, I don’t know, airplanes brought new products uhh

which .. . uh .. .

279 Gou: What do you wanna say? Airplanes?

In Excerpt 3, Gou and Jun work together on all parts of the task and are will-

ing to offer and engage with each other’s ideas. Furthermore, they engagecritically but constructively with one another’s suggestions (lines 271, 274),leading to resolutions that seem acceptable to both of them.

Excerpt 4: Expert/Novice (Emi and Nana in stage 2)

333 Nana: What do you want to say next?

334 Emi: I want, I wanna say um . . . that um . . . actually I wanna say, how he, not how,

I wanna say he’s really um . . . good, good teacher of my life.

335 Nana: Yeah, yeah, yeah.

336 Emi: He taught me a lot.

337 Nana: Ah, I know that how important he is for you.

338 Emi: Yeah.

339 Nana: But ah . . .

340 Emi: Yeah but generally

341 Nana: Yes, I know, but ah in this paragraph, we have to write about how important

thinking

342 Emi: about him

343 Nana: Yes.

In Excerpt 4, Nana seems to assume or is afforded the role of the expert

and leads the task. However, unlike a dominant role, Nana actively encour-ages Emi, the novice, to participate in the task (line 333) and provides

assistance that will help Emi learn from the interaction (line 341). ThoughNana is authoritative, she is not necessarily being authoritarian (van Lier,



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Excerpt 5: Dominant/Passive (Jun and Shu in stage 3)

170 Jun: “Music is important to many people to get energy and for healings,” for heal-

ings, to get energy for healings . . . because it’s, because it’s noun here.

171 Shu: for healings172 Jun: Yeah, but yeah, I have some, what can I say, I wonder this sentence. Why we

don’t write down like here, like this? We can [write] “people can get some

healing.” Anyway some, some sounds, some [is] a little bit strange. But, people

can get healing . . . I don’t know. For our essay, “people can get healing by

listening to music.” Ahh .. . no no no, I don’t know . . . No, I don’t think so.

173 Shu: can get healing . . . mm.

174 Jun: Anyway, we can .. . yeah, maybe it’s better.

175 Shu: . . . maybe it’s better.

In Excerpt 5, we can observe an obvious unequal contribution betweenJun, the dominant participant, and Shu, the passive partner. Jun seems

to see the task as an individual rather than joint construction and makeslittle attempt to involve Shu. In fact, many of Jun’s utterances areself-directed (lines 170, 172). There is little negotiation between them

and Shu’s contribution is limited to echoic repetitions (lines 171,172, 175).

The pair that could not be identified as per Storch’s classification was

considered to be an expert/passive pattern of interaction. In the expert/ passive pair, despite the ongoing encouragement of the more proficient

expert participant, the less proficient passive participant’s involvementin the task decreased over time as he became intimidated and reluctant

to say anything in front of his expert partner (refer to Excerpt 1). Such apattern of interaction was not reported in Storch’s study. We considerthe expert/passive pattern of interaction to be a non-collaborative

orientation.Table 6 shows the relationship between the patterns of interaction

found in our study and the frequency of LREs produced in stage 2 byeach pair. Since the frequency of LREs in stage 3 was influencedby the amount of reformulation that each pair received, we analysed only

the frequency of LREs in stage 2. There are two distinctive trends: 1)both collaborative (n 3) and expert/novice (n 3) pairs produced a

higher frequency of LREs ( M 35 and 28 respectively) than the expert/ passive pair (n 1; the frequency of LREs 1) and dominant/passivepair (n 1; the frequency of LREs 4); and 2) a similar tendency can be

observed for the ratio of turns per LRE. Whereas both collaborative andexpert/novice pairs produced an average of 4.0 to 4.1 turns per LRE,expert/passive and dominant/passive pairs generated only 1.0 to 1.5 turns

per LREs. In short, the pairs with a collaborative orientation produced a



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4 What is the relationship between patterns of pair interaction and

their post-test results?

Table 7 presents the relationship between the learners’ patterns of interactionand their post-test scores. In terms of the core participants’ scores in the core-

high pairs, Jun (65%) and Mai (67%) performed better than other core partic-ipants (Emi, 50%; Yoji, 49%). Both of these high achievers’ roles in their

interaction were shown as collaborative, whereas both of the low achievers’roles were found to be novice. As for the core participants’ scores in the core-low pairs, we can see Emi (72%) and Mai (67%) attained higher scores than

the other core participants (Jun, 59%; Yoji, 57%). These high achievers’ rolesin their interaction were either expert (in the expert/novice pattern) or collab-

orative. Conversely, those who achieved lower scores were either dominant orexpert (in the expert/passive pattern). In short, when the core participants’rolewas either collaborative or expert (in the expert/novice pattern), they were

more likely to achieve higher post-test scores than those who acted as domi-

nant, novice or expert (in the expert/passive pattern). On the other hand, whenthe core participants’ role was dominant, novice or expert (in the expert/pas-sive pattern), they were more likely to attain lower post-test scores than thosewho acted as collaborative or expert (in the expert/novice pattern).

As for the non-core participants, when examining the higher proficiencypartners’ post-test scores, they all scored well. Their roles in their interactionwere found to be either collaborative or expert (in the expert/novice pattern).

Similarly, when looking at the lower proficiency partners’ post-test scores,Rina, who was collaborative, achieved the highest score (52%). Other learn-

ers who were passive or novice scored lower than Rina.Overall, when the learners engaged in a collaborative pattern of interaction,

both core and non-core participants achieved higher post-test scores than


Table 6 Patterns of interaction and the frequency of LREs in Stage 2

Pair Pattern of interaction LRE Turns Turn/LRE

Yoji – Sota (Lower) Expert/Passive 1 1 1.0

Yoji – Ken (Higher) Expert/Novice 35 134 3.8Emi – Aya (Lower) Expert/Novice 30 124 4.1

Emi – Nana (Higher) Expert/Novice 19 76 4.0

Mean for Expert/Novice 28 111.3 4.0

Jun – Shu (Lower) Dominant/Passive 4 6 1.5

Jun – Gou (Higher) Collaborative 36 164 4.6

Mai – Rina (Lower) Collaborative 41 190 4.6

Mai – Chie (Higher) Collaborative 27 80 3.0

Mean for Collaborative 35 144.7 4.1


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P a t t e r n s o f i n t e r a c t i o n a n d p o s t - t e s t s c o r e s

g h

C o r e p a r t i c i p a n t

H i g h e r p r o fi c i e n c y p a r t n e r

t t e r n o f i n t e r a c t i o n )

N a m

e

R o l e

S c o r e ( % )

N a m e

R o l e

S c o r e ( % )

e n ( E x

p e r t / N o v i c e )

Y o j i

N o v i c e

4 9

K e n

E x p e r t

7 4

N a n a ( E

x p e r t / N o v i c e )

E m i

N o v i c e

5 0

N a n a

E x p e r t

6 7

o u ( C o l l a b o r a t i v e )

J u n

C o l l a b o r a t i v e

6 5

G o u


6 5

h i e ( C o l l a b o r a t i v e )

M a i


6 7

C h i e


6 7

o w

C o r e p a r t i c i p a n t

L o w e r p r o fi c i e n c y p a r t n e r

t t e r n o f i n t e r a c t i o n )

N a m

e

R o l e

S c o r e ( % )

N a m e

R o l e

S c o r e ( % )

o t a ( E x p e r t / P a s s i v e )

Y o j i

E x p e r t

5 7

S o t a

P a s s i v e

3 2

A y a ( E x

p e r t / N o v i c e )

E m i

E x p e r t

7 2

A y a

N o v i c e

1 7

h u ( D o

m i n a n t / P a s s i v e )

J u n

D o m i n a n t

5 9

S h u

P a s s i v e

4 1

i n a ( C o l l a b o r a t i v e )

M a i


6 7

R i n a


5 2


17/23

non-core participants attained lower post-test scores than those who acted as

collaborative and expert (in the expert/novice pattern). In the expert/novicepairs, the expert achieved higher scores while the novice attained lower

scores. Additionally, all the dominant and expert participants performed

better than their passive or novice partners.

V Discussion

The purpose of this study was to explore the effects of proficiency differencesand patterns of interaction on L2 learning through the examination of collab-

orative dialogue and post-test performance. The first two research questionsaddressed how proficiency differences affect LREs and post-test scores. In

terms of LREs, the core-high pairs produced a greater frequency of LREsthan that of the core-low pairs. This is consistent with the previous studiesthat as the overall proficiency of the pair increased, learners produced a

greater frequency of LREs (Leeser, 2004; Williams, 2001). Since severalstudies agreed that LREs represent L2 learning in progress (e.g. Basturkmen

et al., 2002; Leeser, 2004; Swain, 1998; Swain and Lapkin, 1998; Williams,

2001), this could suggest that the core participants benefited more from work-ing with their higher proficiency partner. However, the trend indicated that the

core participants achieved on average higher post-test scores when working

with their lower proficiency partners than their higher proficiency partners.8

In other words, the core participants learned more when working with lower

proficiency peers than higher proficiency peers, suggesting that there is cer-tainly value for more proficient students to be paired with less proficientpeers. This led to the third and fourth research questions, which addressed the

effects of patterns of pair interaction on LREs and post-test scores.In terms of LREs, we found that the pairs with a collaborative orientation

(collaborative and expert/novice) produced more LREs than the pairs with anon-collaborative orientation (dominant/passive and expert/passive). This

brings us back to our findings about the frequency of LREs that the core-highpairs produced on average more LREs than that of the core-low pairs. Onemight question whether this is due to proficiency difference or a pattern of

interaction. Interestingly, the pairs who produced the most (n 41) and theleast LREs (n 1) were in fact both core-low pairs (see Table 4). Moreover,the pair with the most LREs was found to be the collaborative pair while the

pair with the least LREs was a non-collaborative, expert/passive pair. Giventhis, in this study, the patterns of interaction rather than proficiency differ-

ences seemed to have a more important effect on the frequency of LREs.As for the post-test scores, we found that both of the pair members

achieved higher post-test scores when they engaged in the collaborative pat-

tern of interaction, whereas both achieved lower scores when they engaged in



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core-high interactions were more likely attributable to the difference in pat-

terns of interaction rather than their partners’ proficiency levels. That is, pro-ficiency difference in pairs does not necessarily affect the nature of peer

assistance and L2 learning. It is important to note, however, that the profi-

ciency difference may create a different pattern of interaction.Our findings substantiate Storch’s (2001a; 2001b; 2002a; 2002b) claim that

pairs with a collaborative orientation are more likely to learn than those witha non-collaborative orientation, except her findings involving the

expert/novice pair. Although Storch’s data indicated that both collaborativeand expert/novice pairs exhibited more transfer of knowledge than other non-collaborative pairs, our findings demonstrated that when a large proficiency

difference exists within a pair, only the collaborative pattern of interactionmight be conducive to L2 learning for both learners. In the expert/novice

pairs, only the expert seemed to benefit from their interaction. In fact, theexperts in the expert/novice pairs achieved three of the highest post-testscores (Ken, 74%; Emi, 72%; Nana, 67%) among all participants. Given that

these expert partners had more opportunities to provide assistance to theirnovice partners, this provides strong evidence that students can indeed learnfrom the act of teaching other peers (van Lier, 1996).

Leeser (2004) questioned whether lower proficiency learners actually ben-efit from receiving higher proficiency learners’ assistance because they might

not be developmentally ready to discuss some linguistic problems. Our find-

ings provide some supportive evidence. In the case of the expert/novice pairswith a large proficiency difference, the less proficient novice learners seemed

to have difficulties internalizing all the information coming from the moreproficient expert peers. Consequently, it might have been difficult for less pro-

ficient novice participants to change the reformulated items. It is also possi-ble that given Johnson and Johnson’s (1989) claim that ‘the amount of timespent explaining correlates highly with the amount learned’ (p. 57), those less

proficient novice participants had fewer opportunities to explain languageissues to their peers during their interaction, and hence made it difficult for

them to remember these language problems in their post-test. It might also berelated to the novice learners’ affective aspects. Since peer–peer learninginvolves strong emotions that can influence its outcome (Swain and Miccolli,

1994), it is conceivable that they might have felt pressured or intimidated towork with the more proficient learner who acted as the expert. In any case, itis important to note that our interpretation is based on a small sample and that

individual differences also need to be considered.Overall, we have seen that peers of different proficiency levels could ben-

efit from working with one another, which supports the previous peer–peerlearning research (e.g. Ohta, 2001; Storch, 2001a; Swain and Lapkin, 1998).This is a positive finding. It shows that social mediation comes not only from

an expert such as teachers but also from peers, and even from less proficient



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learning. However, our data also suggested that grouping different proficiency

learners is conducive to L2 learning when they are collaborative. Thus, it isimportant to pay close attention to the pattern of interaction and how these

patterns form.

From a methodological perspective, the use of a stimulated recall interviewnot only enabled us to better understand the quantitative data but also to

pursue the intriguing aspects of what was actually going on in the learners’minds during peer–peer collaborative dialogue. Although we provided only

one example (Excerpt 2) in this article due to the limited space, there were anumber of cases in which stimulated recall elucidated our analysis of the pat-terns of interaction. In future studies, therefore, it will be important to incor-

porate the insider’s point of view through stimulated recall or follow-upinterviews.

From a research perspective, this study confirmed the importance of con-sidering peer–peer collaborative dialogue as a mediator of L2 learning. Therelationship between the learners’ post-test scores and their patterns of inter-

action highlights how L2 learning ‘occurs in interaction, not as a result of interaction’ [italic: authors’ emphasis] (Swain et al., 2002: 173). The studysupports the claim that collaborative dialogue is a useful unit of analysis to

explore the process and product of L2 learning (Swain, 2000; Wells, 2000),which goes ‘beyond output’ (Swain, 2000). Although this study involved

a small sample size and was conducted in a controlled research setting for a

short period of time, we hope that it provides insight into the complex natureof peer–peer collaborative dialogue and its importance to L2 learning.

Acknowledgements

We would like to thank all of our participants for taking part in this study.We are also grateful to Sharon Lapkin for her valuable feedback on an earlier

version of this paper.

Notes

1 Following Leeser (2004), we will use the term proficiency to refer to ‘a learner’s general language abil-ity in speaking, listening, reading and/or writing based on some kind of criteria or measure’ (p. 58).

2 For more detailed discussion about LREs and examples, see Swain and Lapkin (1998) and Leeser(2004).

3 Not all participants were able to spare the time for a full-length TOEFL. We selected one of themodel tests (Sharpe, 2001) and cut each section to approximately half its original length. Their testscores were calculated using the paper-based TOEFL score conversion chart provided in one of theTOEFL study guides (Murakawa, 1997). Since the test was shortened and the scores were not cal-culated by an expert, these scores might not be comparable to paper-based TOEFL scores.

4

We could not conduct stimulated recall interviews with non-core participants due to time con-straints. We consider this to be one of the limitations of this study.5 We also coded LREs for types and outcomes; however, only the frequency of LREs is discussed



20/23

7 The transcription conventions used in this study:[ ] Words or phrases that were omitted from the speech or clarification of the information unclearto the reader( ) Paralinguistic information or speaker’s action“ ” A speaker is reading a written text

. . . Short pause, between 0.5 and 3 seconds8 One might suggest that the joint text with their higher proficiency partner might have been more

challenging for the core participants and thus, they might not have been able to correct morereformulated items when working with their higher proficiency partner. However, one coreparticipant, Mai, scored exactly the same with both high and low partners (67%) on the post-test.More interestingly, the other core participant, Jun, scored higher with his higher proficiencypartner (65%) than with his lower proficiency partner (59%). Given the considerable individualdifferences, we do not feel that the quality of the joint text is the major reason for the trenddiscussed here.

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Appendix A: Writing topics used in the task

Sample topic

Many students choose to attend schools or universities outside their home

countries. Why do some students study abroad? Use specific reasons anddetails to explain your answer.

Topic A

People listen to music for different reasons and at different times. Why ismusic important to many people? Use specific reasons and details to explain

your answer.

Topic B

Choose one of the following transportation vehicles and explain why you

think it has changed people’s lives.

• automobiles• bicycles

i l



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Pair Work - Effects of Proficiency Differences and Patterns of Pair Interaction on Second Language Learning Collaborative Dialogue Between Adult ESL Learners