An infant that jerks her leg upon being tapped on the knee is exhibiting which of the following behaviors?
A. Habitual
B. Pruning
C. Plastic
D. Reflexive
Answer: D
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In general, girls are more likely than boys to display all of the following except
a. depression. c. psychiatric disorders. b. specific phobias. d. separation anxiety disorders
Fluid intelligence includes
a knowledge of geographical facts. the speed of processing mathematical information. the size of one's science vocabulary. the ability to recognize and name famous paintings.
Who is best demonstrating social referencing?
A. A 3-month-old cries when her father puts her down after holding her for a long period. B. A 6-month-old plays laughs when playing peek-a-boo with her mother. C. A 15-month-old screams and reaches for her mother after falling down and scraping her elbow. D. An 18-month-old looks to her father before smiling at an unfamiliar woman who says "hello."
According to Sigmund Freud and others, which of the following activities seems to be especially important in establishing a sense of trust in early infancy?
a. toilet training b. reciprocal smiling c. reciprocal communication d. feeding