If a researcher wants to ensure the representativeness of a sample, he should _______.
A. increase the sample size
B. decrease the sampling error
C. use convenience sampling.
D. use probability sampling
Answer: D
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a. the two-factor model. b. instinct. c. homeostasis. d. optimal level of arousal. e. self-actualization.
Which perspective provides the most integrative explanation of psychological disorders??
a. ?sociocultural b. ?biopsychosocial c. ?medical d. ?psychoanalytic
Which of the following statements supports the idea of social identity?
a) My name is Dan and I play the trumpet. b) My name is Mario and I like tuna fish. c) My name is Antonio and I belong to the best fraternity on campus. d) I am Sam and I own a car.
Which of these statements is consistent with the idea of bottom-up processing?
(a) Temporal context influences what we see. (b) Expectancies influence what we see. (c) Hallucinations and illusions influence what we see. (d) Complex visual percepts are composed of elements like lines, angles, and colors.