Question: When people learn a new task, their performance usually improves when they are tested the next day, but only if they get at least 6

When people learn a new task, their performance usually improves when they are tested the next day, but only if they get at least 6 hours of sleep( stickgold, whidbee, schirmer, patel & hobson , 2000). The participants learned a visual discrimination task on one day, and then were tested on the tested on the task the following day. Half of the participants were allowed to have at least 6 hours of sleep and the other half were kept awake all night. Is there a significant difference between the two conditions? Use a two tailed test with x=.05.

Performance Scores 6 Hours sleep No sleep N=14 N=14 M=72 M=65 SS=932 SS=70

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