The social smile is an important milestone in infant development because it indicates a maturation of the amygdala in the brain.
Answer the following statement true (T) or false (F)
False
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Since accidents, such as gunshot wounds, or natural events, such as disasters, can provide psychological data, case studies, such as these, may sometimes be thought of as
a. field experiments. b. meta-analyses. c. natural clinical tests. d. naturalistic observations.
The tendency of persons being surveyed to give polite or socially desirable answers is known as the
a. Barnum effect. b. courtesy bias. c. experimenter bias. d. self-fulfilling prophecy.
All of the following statements are true about t tests EXCEPT ______.
A. they involve hypothesis-testing procedures B. they can be used when the population mean is unknown C. they can be used when the population variance is known D. they compare the calculated t scores from a sample to a t distribution
Which operant conditioning technique is commonly used in the consumer marketplace?
A. Token economy B. Positive reinforcement C. Nonreinforcement D. Shaping