In terms of the independent-groups t test, a one-tailed test generally has __________ compared to a two-tailed test
a. less power
b. more power
c. lower probability of committing a Type I error
d. higher probability of committing a Type I error
b
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During Thanksgiving dinner, Dirk suddenly announces, "I think my ventromedial hypothalamus just kicked in." What is Dirk suggesting?
A. He needs to go to the bathroom. B. He is full. C. He is very hungry. D. He has a bad headache.
The power of a hypothesis test is the probability that the sample mean will be in the critical region even if the treatment has no effect
Indicate whether the statement is true or false
Which of the following students' statements is the best summary of the consistency bias?
a. Victor: "We are highly accurate in remembering events that happened to us personally." b. Kyoko: "According to the consistency bias, we are consistently biased toward memories that enhance our self-esteem." c. Harlan: "We often tend to adjust our memories in order to be consistent with the shared recall of friends and family members." d. Nimian: "We sometimes exaggerate the extent to which our past ideas are consistent with our present ideas."
You look at a rope coiled on a beach and are able to perceive it as a single strand because of the law of
A. good continuation. B. simplicity. C. familiarity. D. good figure.