Possible Independent Variables
- activity (sleeping, studying, sports)
- air movement (wind speeds, wind direction)
- concentration (focus, distraction)
- exercise (duration, intensity, regimen)
- foods (types, enhancers)
- instruction (kinesthetic, visual, auditory)
- instruction (traditional, multimedia, hands-on)
- learning environment (classroom, home, field)
- light color (red, orange, yellow, green, blue, violet)
- light intensity (absence or presence, high to low intensity)
- light quality (incandescent, fluorescent, natural)
- nutrients (natural vs. synthetic)
- odor (regimen, intensity, type)
- sound (silence, music, noise, talking)
- stimulus (sound, light, touch)
- temperature treatments (cold to hot, pattern of exposure)