In a series of studies by Meaney and colleagues, rat pups were randomly assigned to be raised by surrogate mothers who spent a lot of time licking and grooming (high LG) them or surrogate mothers who spent little time engaging in this behaviour (low LG). Rat pups raised by low-LG surrogates grow up to be _____ fearful in novel situations, which can be attributed to a(n) _____ in DNA methylation.
A) less; increase
B) less; decrease
C) more; increase
D) more; decrease
C) more; increase
You might also like to view...
Carl Rogers calls the sense of who and what you are
a. the conscious. c. an illusion. b. your reinforcement history. d. the self.
In recent years, the frequency of regular dating has ____
a. ?remained level b. ?increased c. ?declined d. ?sharply increased
The school of psychology called functionalism was strongly influenced by the pioneering work of ____________
a) Sigmund Freud. b) Gustav Fechner. c) Ernst Weber. d) Charles Darwin.
Saying that a research result is "statistically significant" means that it probably
a) has practical applications. b) shows a cause-effect relationship. c) did not occur by chance. d) shows a positive correlation.