Which of the following is a perfect correlation?
A. 1
B. 0
C. 0.5
D. 0.8
Answer: A
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Excess amounts of activity which of the following neurotransmitters can be toxic to neurons?
a. glutamate b. GABA c. dopamine d. serotonin
The theory of planned behavior is different from the theory of reasoned action because, unlike reasoned action theory, the theory of planned behaviors states that
a. the intentions about one's behavior change should be specific b. one does not need social support to change one's behaviors c. one must also perceive that the outcome is within one's control to change behavior d. one must have positive attitudes about the new behavior for an effective change
________ is/are a field in which scientists study genetic and environmental contributions to psychological and physical traits
a. Twin studies b. Behavior genetics c. Adoption design d. Segregating genes
Coefficient alpha is an expression of
A. the mean of the best or "alpha" level split-half correlations. B. the mean of split-half correlations between first- and second-half items. C. the mean of split-half correlations between odd- and even-numbered items. D. the mean of all possible split-half correlations.