In brain development, normal elimination of excess cells to achieve more efficient functioning is known as
A. cell death.
B. mitosis.
C. cell organization.
D. meiosis.
Answer: A
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Scores on the SAT form a normal distribution with a mean of ยต = 500 with ? = 100 . If the state college only accepts students who score in the top 60% on the SAT, what is the minimum score needed to be accepted?
a. X = 475 c. X = 440 b. X = 525 d. X = 560
Researchers investigating the observational learning of gender role behaviors find that boys imitate male models instead of female models
A. as soon as they develop an identity as a male. B. after they noticed that a certain behavior is performed more by one gender than the other. C. more often than girls imitate female models. D. but that the opposite is not found for girls.
One of the defining characteristics of implicit memory is that
a. it always leads to episodic memory for events. b. it is enhanced by the self-reference effect. c. we are not conscious we are using it. d. people use it strategically to enhance memory for events.
Percentiles can be determined directly from a________
a. scattergram b. bar graph c. frequency distribution d. cumulative frequency distribution