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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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studymite studymite
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4 years ago
A study by a prominent psychologist found a moderately strong positive association between the number of hours of sleep a person gets and the person's ability to memorize information.

a. Explain in the context of this problem what "positive association" means.
b. Hoping to improve academic performance, the psychologist recommended the school board allow students to take a nap prior to any assessment. Discuss the psychologist's recommendations.
Textbook 
Stats: Modeling the World

Stats: Modeling the World


Edition: 4th
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#1
4 years ago
a. A positive association means in general people who had more sleep were able to memorize more information.
b. The child psychologist is attributing association to cause and effect. There is an implication that more sleep will cause better memorization, therefore causing an increase in assessments scores. Perhaps people who had memorized more were able to sleep more restfully, or perhaps differences in brain chemistry allowed some people to memorize more and to sleep more easily.
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