SOS School without Stress“ - Nacka"SOS – School without Stress ... • Lower stress level...

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© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . office@proholz-stmk.at

proHolz / Holzcluster Steiermark

"SOS – School without Stress“ (from German „Schule ohne Stress“)

way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . office@proholz-stmk.at

The initial situation

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• Powerful "concrete lobby"

• IBO survey: solid building materials rated as "Category 0"

• BUT:

Untreated solid timber elements as well as windows and doors

made from wood rated as "Category 1"

Initial situation

way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . office@proholz-stmk.at

Initial situation

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• The Idea to demonstrate the advantages of the building material

wood with a study project

Initial situation

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Results of the pine study:

• Significant reduction in cardiac workload after sleeping in a bed made

from pine wood (3,500 heartbeats / night)

• Lasting positive effect also noticeable during daytime

Relevant previous projects: Pine study

way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . office@proholz-stmk.at

Results of the spruce study:

• Significant advantages of the spruce room regarding

HRV-parameters and heart rate in 25.6 % of the test phases

• Lower stress level in the spruce room, especially in the relax phase

and after power nap

• Significant advantages of the spruce room under conditions of

stress (mental stress was perceived less strenuous)

Relevant previous projects: Spruce study

way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . office@proholz-stmk.at

SOS – project and results

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SOS –

project partners

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Secondary school in Haus im Ennstal

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Wood classroom Standard classroom

SOS – Classrooms

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SOS – Classroom interiors

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• Corridor wall: 33 m²

(spruce, unfinished)

• Parquet floor: 63 m²

(oak, proActive)

• Ceiling: 63 m²

(fir, unfinished)

• Cupboard: 600 x 100 x 46 cm

(pine/beech)

• Pin board: 600 x 100 cm

(soft fibre board with fabric coating)

SOS – Materials used in wood classrooms

way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . office@proholz-stmk.at

Duration of the study: approx. 1 year

submission, funding,

planning, information, PR

modification,

measurement

period 1

measurement period 2,

information event, PR

measure-

ment

period 3,

analysis

SOS – Timeline

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• 7 measurement dates (ECG measurement, questionnaires)

• 4 classrooms

• 54 test persons

SOS – Design of the study

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SOS – Measuring device and method

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AUSTRO-Mir 1991:

Space device Kymo and

sensor jacket

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Sensor housing made from Styrian wood

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Examples from the analyses

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„bad“ night „good“ night

Examples from the analyses

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Physiological results of

the SOS study

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Daily variation:

Heart rate standard classroom vs. wood

classroom

8,600 heartbeats per day saved!

Standard classroom Wood classroom

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Daily variation:

Vagus nerve standard classroom vs. wood

classroom

Standard classroom Wood classroom

way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . office@proholz-stmk.at

Psychological results of

the SOS study

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Social stress of pupils caused by teachers

remains stable

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Conflict potential decreases in wood classrooms but increases in standard classrooms!

Conflicts and subjective quality of sleep

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Fewer concentration problems in wood classrooms!

Grades and concentration performance

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• Heart rate:

... in awake state; decreases in "Wood classroom" group (test

group) but increases in "Standard classroom" group (control

group)

• Vagus nerve activity (cardioprotective value):

... in awake state, increases in test group but decreases in

control group

... during night time; remains unchanged in test group but

decreases in control group

• Social stress of pupils caused by teachers:

... remains unchanged in test group but increases in

control group

• School performance and concentration skills:

... less mistakes due to lack of concentration in test group

Summary of the results

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Effects of the results on other fields

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What do these results mean for the

education sector?

• Proof that schools made from wood provide a stress-free

environment for pupils and teachers:

- Less aggression among pupils

- More willingness to learn and less mistakes due to lack of

concentration and / or focus

- Higher teaching quality due to less behavioural problems

- Probably reduced burnout risk for pupils and teachers

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Impressions from the wood classroom

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Impressions from the wood classroom

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Impressions from the wood classroom

© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . office@proholz-stmk.at

www.proholz-stmk.at

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