A Researcher Wants to Assess the Effect of Sleep on Test

question 225

Multiple Choice

A researcher wants to assess the effect of sleep on test performance. She brings students into the lab, gives each student an IQ test, and then asks them how much they slept last night. This would NOT be an experiment because

• A)IQ was measured first
• B)sleep was measured second
• C)sleep and IQ were measured at the same time
• D)no variable was manipulated

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Definitions:

Turner Syndrome

A chromosomal disorder found among females that is caused by having a single X sex chromosome and is characterized by infertility.

Nonverbal Memory

The ability to remember and recall information that is not expressed in words, including faces, places, and experiences.

Testosterone Replacement

Testosterone replacement therapy involves administering testosterone to increase its levels in individuals, typically men, whose own production is lower than normal.

Klinefelter Syndrome

A genetic condition in males characterized by an extra X chromosome, leading to symptoms such as reduced fertility and physical differences.