According to the textbook, ____ is required for the development of male genital organs
a. androgens
b. progestin
c. Wolffianinhibiting substance
d. estradiol
a
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Which stage occurs around the third through eighth weeks of pregnancy?
A. gestation stage B. germinal stage C. embryonic stage D. fetal stage
Ritalin and Adderall, two medications prescribed for the treatment of attention deficit hyperactivity disorder (ADHD), act by ____
a. ?decreasing norepinephrine and increasing dopamine activity b. ?increasing norepinephrine and decreasing dopamine activity c. ?decreasing norepinephrine and decreasing dopamine activity d. ?increasing norepinephrine and increasing dopamine activity
In a between-subjects experiment, if the participants in one group are noticeably older than the participants in another group, then participant age is a confounding variable and threatens the internal validity of the experiment
a. True b. False Indicate whether the statement is true or false
What is the quality of an IQ test that measures how consistent the scores are from one time to another?
a. accuracy c. reliability b. congruence d. validity