Which infant reflex is correctly matched with its description?
a) Moro startle reflex; following a sudden drop in height, an infant extends its arms and legs and quickly brings them in
b) grasping reflex; an infant turns its head toward something touching its cheek
c) sucking reflex; an infant grips something placed in its hand
d) rooting reflex; toes fan out and curl in when sole of foot is stroked
ANS: A
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Bessel began the study of individual differences in perception by noting that ____
a. ?humans differ in the speed with which they react to a loud sound b. ?animals, such as dogs, have a wider range for hearing sounds than do humans c. ?time space must be measured in relative units d. ?astronomers differed in their time estimates in measuring the transit of a star e. ?None of the choices are correct.
_____________ concerns whether the same measure would yield the same results on another occasion
a. validity b. test-retest reliability c. internal consistency d. internal validity
In fourth grade, Tate joins the school band and learns to play the trumpet. After a year of practice, the cortical regions in Tate's brain responsible for motor coordination of the hands have increased dramatically. This phenomenon demonstrates that the brain has
A. neural plasticity. B. lateral dominance. C. myelination. D. a refractory period.
Sensate focus and nondemand pleasuring were designed by Masters and Johnson to treat sexual dysfunctions primarily through
A. improving a couple's sexual skills. B. identifying medical conditions that contribute to sexual dysfunction. C. involving an objective third party. D. elimination of psychologically based performance anxiety.