The Non-Visual Effects of Natural Light on Student Performance - PowerPoint PPT Presentation

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The Non-Visual Effects of Natural Light on Student Performance

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  1. The Non-Visual Effects of Natural Light on Student Performance

  2. Alberta Light & Color Study (81-85) • Alberta Light Study (86-89) • PG&E Daylighting Initiative (1999) • Studies reported by NEA

  3. Alberta Light & Color Study (81-85)3 School Study Sites • 1. Color & Light School • 2. Light School • 3. Control School

  4. Alberta Light and Color StudySignificant Findings

  5. Albert Light Study (86-89)Five School Sites • Site 1: Sodium vapor light • Site 2: Full spectrum fluorescent , no UV enhancement • Site 3 & 5: Full spectrum fluorescent light, with UV enhancement • Site 4: Cool white fluorescent

  6. Alberta Light StudySignificant Findings

  7. PG&E Daylighting Initiative (‘99) • Correlation between productivity and natural lighting in classrooms • Three school sites selected • Natural light provided by skylighting and windows • Compared students in classrooms with most daylight to those with least daylight

  8. Seattle • Classrooms with largest window area had 9% to 15% higher grades • Skylit classrooms had 6% to 7% higher grades

  9. Fort Collins • There was a 7% improvement in test scores in classrooms with the mostdaylighting • 14% to 18% improvement for students in classes with largest window space

  10. John Ott; 1973(Light as a vital nutrient) • Full spectrum fluorescent light in two first grade classes • Standard cool white tubes in two other identical first grade classes • Used hidden photography to observe classroom activity

  11. What Ott Found Full spectrum fluorescent lights positively impacted: • Behavior • Performance • Academic achievement

  12. Dimininished: • Disciplinary referrals • Absenteeism • Hyperactivity

  13. “… a clear case of daylight robbery.”