A (hypothetical) experiment is conducted on the effect of alcohol on perceptual
ID: 3386752 • Letter: A
Question
A (hypothetical) experiment is conducted on the effect of alcohol on perceptual motor ability. The subjects are each tested twice, once after having two drinks and once after having two glasses of water. The two tests were on two different days to give the alcohol a chance to wear off. Half of the subjects were given alcohol first and half were given water first. The scores of the 10 subjects are show below. The first number of each subject is the performance in the "water" condition. Higher scores reflect better performance. Test to see if alcohol had a significant effect. Find the t and Z of the data below.
Water
Water
Alcohol 16 13 15 13 11 10 20 18 19 17 14 11 13 10 15 15 14 11 16 16Explanation / Answer
A (hypothetical) experiment is conducted on the effect of alcohol on perceptual
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