Maternal stress
A) during pregnancy is associated with higher birth weight.
B) hormones cross the placenta, causing a dramatic rise in fetal heart rate.
C) is especially detrimental during the third trimester of pregnancy.
D) is a concern for a pregnant mother, but does not affect her growing baby.
B
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Signal detection theory assumes that ________
a. a person's ability to detect a stimulus depends only on the stimulus. b. people will always be biased toward thinking the stimulus was not there, even if it was. c. a person's response depends on the stimulus and on a decision about it. d. people will always be biased toward thinking the stimulus was there, even if it wasn't.
The general term used to describe therapies based on operant conditioning is
a. operant therapy. b. applied behavior analysis. c. behavior analysis. d. behavior modification. e. behavior therapy.