During the brain growth spurt of early childhood, new neural connections are established and unneeded neural connections are pruned away
Indicate whether the statement is true or false
True
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How does physical dependence differ from psychological dependence?
a. With a physical dependence, quitting leads to withdrawal symptoms b. A physical dependence means that the substance increases release of dopamine. c. A physical dependence produces a strong drive to want the substance. d. A psychological dependence causes problems in the person's life.
A familial association study is used to determine
a. the degree of environmental similarity between twins raised apart. b. the extent to which adopted children share the same characteristics as their adoptive parents. c. the extent to which the same disorders or traits are shared among family members. d. the extent to which family members have different traits or characteristics. e. the extent to which family members participate in shared activities.
Generalizability is a problem in:
a. stratified random sampling. b. convenience sampling. c. systematic sampling. d. cluster sampling.
Human hearing is not as good as dogs' hearing for _________ frequencies, and not as good as elephants and goldfish for _________ frequencies
a. high; middle b. middle; low c. high; low d. low; high