If the F value indicates that the between-groups variance is not significantly greater than the within-groups variance in an ANOVA, we can conclude that
a. there is random error.
b. the group means are from the same population.
c. the null hypothesis that the differences between the groups are due only to chance can be rejected.
d. there was an error in the calculation.
b
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The effect of administering a single mild shock following the first response in the extinction condition of Exercise 29 was to
a. produce a much larger and more prolonged extinction burst than would have occurred without punishment. b. accelerate extinction. c. eliminate all bar pressing for approximately a half-hour. d. defer the appearance of the extinction burst and the subsequent course of extinction.
Cognitive therapy is as effective as drugs for the treatment of certain disorders, such as generalized anxiety and phobias
Indicate whether the statement is true or false
Which of the following is most accurate?
a. Psychologists should obtain informed consent for the entire assessment process. b. Psychologists should obtain informed consent for the entire assessment process from clients who are referred by others, but not from those who refer themselves. c. Psychologists should obtain informed consent for objective, but not projective, tests. d. Psychologists should obtain informed consent for projective, but not objective, tests.
Donald Trump's decision to fire missiles at a Syrian airbase were considered by some to be humanitarian, and, therefore, justified by:
A. just law. B. human-made law. C. positivist law. D. natural law.