If sample variance is computed by dividing SS by n, then the average value of the sample variances from all the possible random samples will be _______ the population variance
a. smaller than c. exactly equal to
b. larger than d. unrelated to
A
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If the results obtained in a validity study are not specific to the validation population, what quality does the validation have?
a. differential validation b. convergence c. population crossover d. generalizability
In systematic desensitization, a client who becomes anxious while imagining a step in the stimulus hierarchy is:
A. instructed to go back to a prior step B. told to focus on the nature of the anxiety C. to remain relaxed and continue to imagine the step until no longer anxious D. required to reorder the steps in the stimulus hierarchy
A first-time marathon runner is learning that running a marathon can be quite stimulating. The applause from the spectators, sights along the road, and the pain in her legs are all experiences brought to her central nervous system by her
a. CNS. b. brain. c. brain stem. d. peripheral nervous system.
A stimulus presented to a person or animal that decreases the probability of a particular response is known as __________
a) positive punishment. b) negative punishment. c) negative reinforcement. d) negative expectation.