Based on the method used to calculate scores on the WISC and the WAIS, 95 percent of the population has an IQ score between __________.
A. 60 and 140
B. 70 and 130
C. 85 and 115
D. 95 and 105
Answer: B
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In a correlated-groups design, if n = 20, then df =
a. 20. b. 19. c. 21. d. 40.
Puberty may be triggered by
A. the accumulation of body fat. B. the expression of testis-determining factor. C. the SRY gene. D. anti-Müllerian hormone.
Most "diet pills" in the United States in the 1940s contained ______ as active ingredients
a. alcohol c. nicotine b. amphetamines d. barbiturates
Benny is a shy baby. What can his parents do to help Benny from becoming a fearful child?
A) Protect him from minor stresses and teach him to retreat from unfamiliar situations. B) Expose him to fear-inducing situations so he can learn to regulate his anxiety. C) Avoid authoritative child-rearing practices and encourage independence. D) Provide warm, supportive care and make appropriate demands when approaching new experiences.