If two samples are selected from the same population, under what circumstances are the two samples guaranteed to have exactly the same t statistic?
A) ?If the samples are the same size and have the same variance
B) ?If the samples are the same size and have the same mean
C) ?If the samples have the same mean and the same variance
D) ?If the samples are the same size and have the same mean and have the same variance
D
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As a camp counselor, you are surprised to hear that one of your young campers takes a hormone replacement drug intranasally to treat a psychological disorder. The disorder is most likely __________.
A. enuresis B. autism C. somnambulism D. encopresis
An individual's general belief about his or her ability to obtain reinforcements is referred to as
a. subjective value. b. objective value. c. locus of control. d. reciprocal determinism. e. self-efficacy.
By the age of six months, infants have been shown to perform all these intermodal perceptual matches EXCEPT
a. vision + hearing. b. oral + vision. c. touch + vision. d. taste + hearing.
In an independent groups design the nondirectional alternative hypothesis states _________
a. µ1 > µ2 c. µ1 ?0? µ2 b. µ1 < µ2 d. µ1 = µ2