Puberty is marked by the release of the hormone:
A. dopamine
B. PYY
C. leptin
D. kisspeptin
Answer: D
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In general, cohesive groups outperform groups without cohesion.
a. True b. False
Which of the following is an example of "drive-reduction" motivation?
a. Eating because good food is present b. Eating because your family is eating c. Eating because of hunger pangs d. Eating because it is your usual time for eating
The reactions and opinions of their peers in the areas of physical appearance and social acceptance can influence evaluations of the self and, hence, self-esteem in early and middle adolescence, __________.
A. mainly for girls B. mainly for boys C. for both girls and boys D. but primarily in an upward, not a downward, direction
Which environmental factor appears to have the greatest positive impact on the IQs of children?
a. Having biological parents with very high IQs b. Having adoptive parents with very high IQs c. Being raised in a highly stimulating environment d. Being raised in a highly passive environment