The rejection region represents the values of a test statistic that have a probability
alpha if _____ is true.
a. greater than; H0
b. greater than; H1
c. equal to or less than; H0
d. equal to or less than; H1
C
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To measure how well a child can resist temptation, which procedure have psychologists often used? a. "Draw a pretty picture, but don't look at what any other children are drawing."
b. "I'm leaving the room now, but please sit quietly in your seats until I return.". c. "Answer these questions, but please don't look at the answer key on the back of the page.". d. "Here is one marshmallow, but if you wait you can have two.".
Assume that we asked 20 subjects to participate in a smoking cessation study. We recorded their craving for a cigarette before and after applying a nicotine patch. One reason we might want to use a distribution-free test is because
a. we have too few subjects for a parametric test. b. there are some outliers that we don't want to have undue influence on the results. c. the data are normally distributed. d. the subjects are all male.
Cognition is defined as:
A. learning, thinking, and the development of the brain. B. physical development of the brain. C. a Piagetian concept rooted in research. D. the processes or faculties by which knowledge is acquired and manipulated.
Which comment would have MOST likely come from a concrete operational thinker?
A. "I am not going to die because I sleep under the covers where the Bogeyman can't get me." B. "Grandpa is dead, but he'll come to visit us next week." C. "Even though I can't imagine what death is like, it must be wonderful." D. "When you're dead, you're dead."