What factor explains the differences between boys and girls in motor performance?
a. Differences are due primarily to biological variables.
b. Differences in boys and girls are heritable.
c. Boys receive more encouragement and support for participating in sports.
d. From birth, girls have less interest in sports than do boys.
c
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The "third force" in psychology is more formally known as
a. social-cognitive theory. b. humanistic psychology. c. the psychodynamic perspective. d. evolutionary psychology. e. the physiological perspective.
Chunking and maintenance rehearsal are especially important for the improvement of __________ efficiency
a. short-term memory b. eidetic imagery c. sensory memory d. implicit memory
When Satoru ponders the question, "How can light be both a wave and a particle?" he is engaging in:
A. a role transition. B. a rite of passage. C. reflective judgment. D. multidirectionality.
Which of the following statements is true about the cross-sectional design?
A) Researchers are not concerned with cohort effects. B) Researchers are not concerned with selective attrition. C) It is rarely used because it is so time-consuming. D) Researchers are concerned with both practice and cohort effects.