For children and adolescents, heritability estimates for intelligence average around ______________
a. .05–.10
b. .10–.20
c. .40–.50
d. .90–1.00
Answer: c
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A race car driver wants to win the prize money and feels as if the money is pulling him to win. Which of the following would explain this behavior?
A. pleasure-center theory B. fixed action patterns C. incentive theory D. instinct theory
Regarding obesity, which of the following statements is FALSE?
a. A lack of variety in one's diet tends to encourage obesity. b. Obesity is overtaking smoking as a major cause of needless deaths. c. In Westernized societies, obesity has become a source of social stigma and low self-esteem. d. Sixty-five percent of adults in the United States are overweight with more than one third being obese.
____ are the baby's earliest vocalizations other than crying, and they appear by the age of two months
a. Babbles b. Transformational lexical phonemes c. Prelinguistic fast-mappers d. Coos
A PET scan ________
a. records brain waves through electrodes taped to the scalp. b. records biochemical changes in the brain as they are happening. c. stimulates the brain by producing a magnetic field through a wire coil. d. uses radio frequencies and a magnetic field to produce images of the brain.