In the ________, surgeons performed prefrontal lobotomy on thousands of patients often with little precision.
A. 1950s
B. 1950s and 1960s
C. 1930s and 1940s
D. 1920s
Answer: C
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Research studies have shown that infants can imitate adults opening their mouths and sticking out their tongues. How early has this imitative behavior been observed in infants?
a. At 2 days of age b. Less than 1 hour old c. Not before 3 days of age d. After 1 week
Retinal disparity decreases with the distance of the object from the viewer.
Answer the following statement true (T) or false (F)
Because cross-cultural findings on the reversals of traditional gender roles are inconclusive, a more direct test of the importance of biology on gender typing could be achieved by
A) testing the impact of sex hormones on gender typing. B) studying adolescent boys and girls in tribal villages. C) observing infant behavioral preferences immediately after birth. D) observing other-sex play in children who score high in androgyny.
Learning includes changes in behavior as a result of
a. motivation. b. maturation. c. experience. d. fatigue.