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Unformatted text preview: measurements were taken and the method truly sampled just my reaction time. However, it was noted that it is possible to cheat – for example by holding the mouse button down and just releasing it when the lights change, or by trying to pre-empt the change since reactions before the change are not recorded. This could explain the skew to shorter reaction times. Marking scheme out of a total of  At least 50 data points  Description of conditions in which data was taken  Histogram Suitable binning  Axes labels  Units for reaction time  Plot title or figure caption  Correct Mean and quoted correctly with units Correct Error on the Mean and quoted correctly with units  Correct Standard Deviation and quoted correctly with units  Correct Variance with units Correct Median  Correct Mode  Quoted result and sensible discussion ...
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- Spring '15
- Prof. Mathias Schwartz
- Standard Deviation, shorter reaction times