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Color Fast or Color Slow: Which Color Is Best in Show?

CSEF · 2003 Behavioral Sciences

Carissa B. Cummings · Pegasus Middle School, Huntington Beach

Overview

Objectives/Goals My problem statement was: Does reaction time to a light stimulus depend on the color of the light? I tested to see if one specific color had a faster reaction time than another. I hypothesized that the reaction time will not be the same for all tested colors. Methods/Materials 1 Photographic Color Enlarger, 1 Oscilloscope, 1 On Switch, 1 Off Switch, 1 White Box, 10 Data Sheets, Low Voltage Wire, 1 9V Battery, 1 9V Battery Connector, 9 Colors of Light, 10 Test Subjects, Sorce of AC Power, 2 Small Aluminium Boxes, 1 BNC Connector Wire, Chassis Punch, 1 CD Player, 1 Drill Press with drill bits, 1 T-Bevel, 1 Table Saw Results The color blue had the slowest reaction time. The color white had teh fastest reaction time, but magenta had the second fastest reaction time. Conclusions/Discussion From this experiment, I conclude that the subtractive colors of yellow, magenta, cyan and white have the fastest average reaction times.

Summary statement

I tested the reaction time of people to ten different colors of light.

Help received

My father helped me use the table saw, the drill press and the other tools. He helped me acuqire the oscilloscope and the color head.

Competition history

  • CSEF 2003 Behavioral Sciences · Entry J0309

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