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)