RESEARCH IN MATH RESEARCH IN MATH EDUCATIONEDUCATION

COLLECTING DATACOLLECTING DATA

22

Collecting Data in Quantitative ResearchCollecting Data in Quantitative Research

Who will I study?Who will I study? What permission will I need?What permission will I need? What information will I collect?What information will I collect? What instrument Will I use?What instrument Will I use? How will I administer the data collection?How will I administer the data collection?

33

1.1. Who will I study?Who will I study? Population Population (people, entire group of individuals, schools, institutions)(people, entire group of individuals, schools, institutions)

Sample Sample (representative of population, selected people or school)(representative of population, selected people or school)

Quantitative Sampling StrategiesQuantitative Sampling Strategies

Probability Sampling Non-probability Probability Sampling Non-probability SamplingSampling

Random Stratified Multy-satage Convenience SnawballRandom Stratified Multy-satage Convenience Snawball

Sampling Sampling Cluster Sampling Sampling SamplingSampling Sampling Cluster Sampling Sampling Sampling

44

2. Getting permission2. Getting permission

Different type of permissionDifferent type of permission• Institutions or organisationsInstitutions or organisations• Specific schoolsSpecific schools• Participan or a group of participantParticipan or a group of participant• Parents of participantsParents of participants

55

Teachers’ experiences about ICT in their teaching Teachers’ experiences about ICT in their teaching Title Title

The following information is provided to help you decide whether you wish to participate in the present study.The following information is provided to help you decide whether you wish to participate in the present study. (voluntary)(voluntary)

You should be aware of that you are free to decide not to participate or to withdraw at any time without affecting You should be aware of that you are free to decide not to participate or to withdraw at any time without affecting your relationship the research. your relationship the research. (right to leave)(right to leave)

The purpose of this study is to get information about your experiences with ICT in your class The purpose of this study is to get information about your experiences with ICT in your class (purpose)(purpose)

Data will be collected using a brief survey at the beginning of the study. Then we will observe your classroom-Data will be collected using a brief survey at the beginning of the study. Then we will observe your classroom-sections at least four times during the second semester. sections at least four times during the second semester. (procedure)(procedure)

Do not hasitate to ask questions about the study before participating or during the study. Do not hasitate to ask questions about the study before participating or during the study. (right to ask question)(right to ask question)I would be happy to share the findings with you after the research is completed. I would be happy to share the findings with you after the research is completed. (sharing findings)(sharing findings)

There are no There are no known risk known risk with this study. with this study. If this study is later submitted for publication false names will be used (ethical issues)(ethical issues)

Please sign this consent form. A copy of this form will be given to you to keep. Please sign this consent form. A copy of this form will be given to you to keep. (right to leave)(right to leave)

SignitureSigniture DateDate

Prof.Dr. Adnan BakiProf.Dr. Adnan BakiResearcherResearcher

KTUKTU

66

3. What will I collect?3. What will I collect?The low of activities in collecting dataThe low of activities in collecting data

Flow of ActivitiesFlow of Activities ExampleExample

Identify the variableIdentify the variable

Operationally define the variableOperationally define the variable

Locate data (measures, observations, Locate data (measures, observations, questionnaires)questionnaires)

Collect data about instruments yielding numeric Collect data about instruments yielding numeric scorescore

Self-efficacy for learning from LOSelf-efficacy for learning from LO

Level of confidence that an individual can learn Level of confidence that an individual can learn something by using LOsomething by using LO

Attitude scale on computer use and ICT (Likert Attitude scale on computer use and ICT (Likert scale)scale)

Scores of each item ranged from 0 to 10Scores of each item ranged from 0 to 10

““8 to 10” completely confident8 to 10” completely confident

77

4. What instrument will I use?4. What instrument will I use? Locate or develop an instrumentLocate or develop an instrument

1.1. We can develop our own instrumentWe can develop our own instrument

2.2. We can locate and modify someone else’s instrumentWe can locate and modify someone else’s instrument

3.3. We cna chose and use someone else’s instrument We cna chose and use someone else’s instrument

Steps for developing an instrumentSteps for developing an instrument1. Planning 1. Planning (purpose, content, literature review, open-ended questions, interprete responses, list of objectives, item format)(purpose, content, literature review, open-ended questions, interprete responses, list of objectives, item format)

2. Construction 2. Construction (list of specifications, pool items, expert helps, revise items, copy rough form)(list of specifications, pool items, expert helps, revise items, copy rough form)

3. Qualitative 3. Qualitative (rough instrument for first pilot, administer, first pilot, reliability, item analysis, revise instrument, second pilot)(rough instrument for first pilot, administer, first pilot, reliability, item analysis, revise instrument, second pilot)

4. Validation 4. Validation (second pilot, item analysis, begin validation, continue validation)(second pilot, item analysis, begin validation, continue validation)

88

Search for instrumentSearch for instrument

• Look at published jouranlLook at published jouranl• Look at ERIC search……………. Look at ERIC search……………. www.askeric.org• Use other websitesUse other websites• Have authors or experts developed the instrument recentlyHave authors or experts developed the instrument recently• Look at dissertations close to your fieldLook at dissertations close to your field

5. How will you adminester the data 5. How will you adminester the data collectioncollection

Tools: structured questionnaire, observationTools: structured questionnaire, observation

Ethical issuesEthical issues