Knowing the percentage of scores in different portions of the ______ is useful because it can help us determine the likelihood of getting a specific range of scores in the distribution.
A. normal distribution
B. normal deviation
C. even distribution
D. standard distribution
Answer: A
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_____ stimulates the release of norepinephrine and dopamine and also blocks their reuptake.
A) Amphetamine B) Cocaine C) L-Dopa D) Prozac
Professor Johnston has found a strong positive correlation between wearing neckties and the frequency of strokes (r = 0.89). He thinks that the necktie reduces blood flow to the brain, preventing the brain from receiving enough oxygen. Professor Johnston and his associates claim to have proven that wearing neckties causes strokes. What error has Professor Johnston made?
a. An r = 0.89 is not a very large r-value. b. Professor Johnston is drawing a causal conclusion from correlational findings. c. Not everyone who wears a necktie wears it very tight. d. Professor Johnston should know that there are other ways for blood to reach the brain.
Because of the influence of Carl Stumpf, ____ and Gestalt psychology have much in common.?
a. ?structuralism b. ?act psychology c. ?behaviorism d. ?evolutionary theory
In order for Burger (2009) to conduct a study replicating Milgram's work on obedience, he had to modify Milgram's procedures. Which of the following is one of the modifications he made?
a. He videotaped the study. b. He stopped the study at 150 volts. c. He paid them $50 for participation. d. He used young, psychologically resilient participants.