According to the text, what percentage of fathers in the United States and the United Kingdom experience postpartum depression?
20%
15%
4%
1%
4%
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On the Wechsler scales, which type of intelligence is measured by answering questions involving vocabulary, general information, arithmetic, and other language- or symbol-oriented tasks?
a. aesthetic intelligence b. kinesthetic intelligence c. spoken intelligence d. verbal intelligence
John is a man receiving psychotherapy; Jane is a woman receiving psychotherapy. Based on the average psychotherapy outcomes of men and women,
a. we predict that John will experience a better outcome. b. we predict that Jane will experience a better outcome. c. we predict that both will experience excellent outcomes. d. we cannot predict who will experience a better outcome.
In the context of operant conditioning, which of the following promotions exemplifies the use of a fixed-ratio schedule of reinforcement?
A. A café offers its customers a free beverage with breakfast from 7 a.m. to 9 a.m. B. A café prints "You are a winner" on one-twelfth of its coffee and tea lids. Customers who receive such lids can redeem them for free beverages or food items from the café. C. A café provides its customers with cards. Each time a customer purchases a beverage, a hole is punched in his or her card, and when ten such holes are punched, he or she receives a free beverage. D. A café offers its customers buy-one-get-one offers every Monday.
The Flynn effect refers to the observation that
A. IQ scores are no longer related to socioeconomic status. B. average IQ scores have been increasing. C. IQ scores are predictive of occupational achievement. D. IQ is largely heritable.