With operant conditioning, when a variable-interval schedule of reinforcement is in place, a response will only be reinforced after:
a. a specified, unchanging period of time has elapsed
b. an unpredictable period of time has elapsed
c. a specified, unchanging number of responses have been made
d. an unpredictable number of responses have been made
B
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Toula, who is Greek, has a negative bias toward members of other racial groups. What is Toula's bias called?
a. authoritarianism b. stereotype threat c. discrimination d. universalist orientation e. racism
In the context of relationships between family members, research suggests that both grandparents and adult grandchildren:
A) achieve body transcendence but not ego transcendence. B) view each other in a negative light owing to their varied perspectives. C) are unlikely to seek each other for emotional support. D) tend to see their ties as deep and meaningful.
Caroline is pregnant with her first child. She often feels hungry but worries about excessive weight gain during pregnancy. Caroline's doctor will likely tell her that she should consume between how many calories per day?
A. 1,500-1,800 B. 2,000-2,300 C. 2,200-2,900 D. 3,000-3,500
To which of the following disorders is the neurotransmitter serotonin primarily related?
A. Autism B. Anorexia nervosa C. Parkinson's disease D. Alzheimer's disease