Measurement and Evaluation of Human Performance
Terms in this set (14)
-the spread of data around the mean (average)
-Small SD= data closely clustered around the mean
-Large SD= data spread apart around the mean
Assuming Normal Distribution of Values
-68% of values are within +/- 1 SD
-95% of values are within +/- 2 SD
-Use +/- 1 SD for error bars (1 SD above data, 1 SD below)
-Graphical representation of variability of data
Coefficient of Variation
ratio of standard deviation to mean (expressed as a percentage)
calculates the probability our results are by chance rather than being caused by exercise
- p<0.05 (significant correlation)
- p>0.05 (no significant correlation)
how well does the skill required for the test match the skill required for the sport
how true is the value reported by this instrument or in this test?
the degree to which a measure would produce the same result from one occasion to another
does the test measure what it claims to measure?
tastes like the real thing, harmless substance, will not affect the performance
subjects don't know who gets real vs. placebo treatment
neither experimenters nor subjects know who get real vs. placebo
test your max
-true measure of maximum ability
-unaccustomed subject may be injured
tests do not require maximal effort, can be used to calculate what the maximum might be.
-good for novice groups
-not a true measure of maximum ability
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