Osteoporosis occurs when
a. the cushioning between joints wears out and the joints become stiff.
b. maximal heart rates decrease so that any sort of workout requires more effort.
c. lost minerals result in less bone mass.
d. vitamin deficiencies lower the efficiency of the major organs.
c
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Which of the following statements is true?
a. Individuals who have negative beliefs about groups (as indicated by their scores on the Beliefs about Groups scale) are less likely to join them. b. Children whose parents were more involved in groups tend to avoid group activities when they reach adulthood. c. Contrary to popular opinion, participation in sports as a youth does not predict affiliative tendencies in adulthood.
Projection is an ego-defense mechanism that:
a. actively keeps anxiety-producing thoughts and feelings buried in the unconscious b. deals with unacceptable thoughts and feelings by attributing them to others c. transforms anxiety-producing thoughts and feelings into the opposite thought or feeling d. channels unacceptable impulses into socially acceptable activities
According to Vygotsky, a child's usual teachers are
parents and teachers. teachers and classmates. parents and older siblings. teachers and older siblings.
The teachers in Melissa's high school are relatively inexperienced and not many of them are certified in their subjects. Absenteeism is high, and classes are often disrupted. It is likely that Melissa's school
A) has a high proportion of students from low income families. B) has a larger than average student enrollment. C) has lower than average achievement scores. D) All of the above.