A powerful test is one that is
a. less likely to commit the Type 2 error
b. more likely to commit the Type 2 error
c. more likely to accept the null hypothesis
d. less likely to detect a population difference
a
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Having a higher idea density early in life can reduce the effects of Alzheimer's disease later in life
Indicate whether the statement is true or false
According to Seligman, people with an optimistic explanatory style tend to:
a. take responsibility for their care when they are experiencing health problems. b. believe their own actions will make no difference when they experience health problems. c. be found more among Americans with Chinese heritage than those with European heritage. d. have an outlook on their health similar to those who have a pessimistic explanatory style.