The hormone ________ exerts a defeminizing action during prenatal development
a. testosterone
b. dihydrotestosterone
c. estradiol
d. ghrelin
e. anti-Müllerian hormone
Answer: a. testosterone
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What is the normal portion of sleep time spent in REM sleep in adults?
a. 5% b. 10% c. 25% d. 50%
If a membrane potential changes from -70mV to -65mV,
A. hyperpolarization has occurred. B. depolarization has occurred. C. an action potential has occurred. D. saltatory conduction has occurred.
Being victimized by a bully is less likely
A) among younger than among older adolescents. B) if the potential victim has at least one good friend. C) in a smaller school. D) if the potential victim learns to avoid social encounters.
The correlation between individual scores on a predictor variable and their subsequent performance on some criterion, such as job performance, is known as ________
a. intrinsic coherency b. predictive validity c. predictive reliability d. a meta-analysis