Which of the following is correct regarding statistical hypotheses (null hypothesis and alternative hypothesis)?
a. They describe the population parameters our sample data represent if there is or is not a predicted relationship.
b. They describe the sample data if there is or is not a relationship in the population.
c. We can prove a relationship exists in the population by confirming these hypotheses.
d. They are the hypotheses we perform on the statistics in our experiment.
a
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Raphael was just outside the parking garage of the World Trade Center when the explosion occurred. At the time he was terrified and had visions of the building falling on him. Ever since the bombing he has had periods of anxiety and sleeplessness. This is an example of a:
A) panic disorder. B) phobic disorder. C) generalized anxiety disorder. D) posttraumatic stress disorder.
Research on the generation effect shows that:
a. nearly all participants in the youngest generation will benefit from metamemory techniques not employed by older adults. b. participants remember the generated associations better than the read associations. c. participants remember the read associations better than the generated associations. d. generating lexical items in response to new associations allows for easier use of retrieval cues.