In the Kim, et al. study (Oh Rats!)of the effects of prenatal alcohol exposure on rat pups, which of the
following procedures took place?
(a) different rat breeds attempted to navigate a water maze
(b) rats depressed a lever to receive a food pellet
(c) random assignment of rats into groups
(d) rat mothers were artificially impregnated
C
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The fact that men and women report having had very different numbers of sex partners can be almost completely explained by the fact that men have engaged in more homosexual sex
Indicate whether the statement is true or false
According to two-factor theory, ____ is an example of a hygiene factor
a. growth b. control c. responsibility d. pay
Sadness is relatively rare in the first year of life except for ____
a. infants who were born premature b. infants with depressed mothers c. infants with "difficult" personalities d. infants with parents who abuse substances
Aggression is predominantly influenced by environmental factors.
Answer the following statement true (T) or false (F)