The two-tailed p value that a statistical program produces refers to
a. the value of t.
b. the probability of getting at least that large a value of t if the null hypothesis is false.
c. the probability of getting at least that large an absolute value of t if the null hypothesis is true.
d. the probability that the null hypothesis is true.
C
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A repeated measures t test is more likely to lead to rejection of the null hypothesis if
a. subjects show considerable variability in their change scores. b. many subjects show no change. c. some subjects change a lot more than others. d. the degree of change is consistent across subjects.
Both Freud's and Erikson's theories have been cumulative theories. This means that later
stages and crises build on the previous ones. Therefore, in both of these theories which of the following is critical? a. Sexual identity b. Good schooling c. Ego integrity d. Early infant and childhood experiences
Which of the following is a leading cause of death for emerging adults?
A. motor vehicle injuries B. cancer C. suicide D. accidental falls
Experimenter expectancies are best labeled as _______ variables
a) extraneou b) nuisance c) dependent d) independent