Best Fitted Curves though Mean Reaction Time, Mean Reaction Time Plus One
Standard Deviation, and Mean Reaction Time Minus One Standard Deviation
For Subject J, Yellow Signal
A1-30
Mean Reaction Time (ms)
O LED
▲ Incandescent
- ~ » Plus one S.D.
......Minus one S.D.
——-—-Mean reaction time
Luminance (cd∕m2)