A researcher is conducting an experiment to evaluate a treatment that is expected to increase the scores for individuals in a population. If the researcher uses a one-tailed test with a = .01, then which of the following correctly identifies the critical region?
A) ?z > 2.33
B) ?z > 2.58
C) ?z < 2.33
D) ?z < 2.58
A
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What is indicated by a positive value for a correlation?
a. Increases in X tend to be accompanied by increases in Y b. Increases in X tend to be accompanied by decreases in Y c. A much stronger relationship than if the correlation were negative d. A much weaker relationship than if the correlation were negative
Which is correct regarding space meanings for terminally ill patients?
a. Behavioral clues of the medical staff will not give the patient any hint as to his or her situation. b. Confinement in a health care institution is the first stage of societal disengagement for the terminally ill patient. c. Confinement in a health care setting serves to diminish one's social and personal power. d. Both b and c.
Which statement would best reflect Arthur Jensen's views concerning IQ and preschool enrichment programs?
A) Exceptional teaching strategies can boost children's IQ scores. B) Preschool enrichment programs are likely to negatively affect children's IQ scores. C) Preschool enrichment programs cannot appreciably boost children's IQ scores. D) Preschool enrichment programs can significantly boost children's IQ scores.
In Western cultures, low self-esteem is associated with ____
a. cooperation and happiness b. anxiety, depression, and antisocial behavior c. euphoria, social effectiveness, and popularity d. bullying, suicidal thoughts, and substance abuse