According to the article Zipping Up the Genes about twins reared apart, why were the participants limited
to only twins reared apart?
(a) theywere easier to recruit
(b) to examine the effects of shared genes without shared environments
(c) to examine the effects of shared environments only
(d) to compare the personalities of twins reared together to those reared apart
B
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Rhonda's mother is dropping her off at preschool for the first time, and Rhonda's behavior changes from a calm, happy baby, to a crying, cranky youngster who will not let go of her mother. Rhonda is demonstrating __________.
A. caregiver decay B. stranger anxiety C. separation anxiety D. activation synthesis
Which of the following categories of reinforcement schedule tends to produce more resistance to extinction than the others?
a. VR b. VI c. FR d. FI
Which of the following statements describes the relationship of age and chronic disease?
Chronic disease increases with age. Chronic disease decreases with age. There is no relationship between chronic disease and age. Chronic disease increases with age in men but decreases with age in women.
During the Middle Ages in Europe, people who did not show mental disorders at birth but did show disabilities later in life were called
a) idiots. b) psychotic. c) natural fools. d) non compos mentis.