There is a ________ correlation between head size and intelligence and a ________ correlation between brain size and intelligence.
a. slightly negative; slightly positive
b. slightly positive; slightly negative
c. moderately positive; slightly positive
d. slightly positive; moderately positive
Answer: d. slightly positive; moderately positive
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If people were classically conditioned by pairing a buzz with an air puff to the eyes, how could we test them for stimulus generalization? a. Present the buzz without the air puff. b. Present the air puff without the buzz
c. Pair the buzz with shock. d. Present a similar sound.
A major concern about projective tests is that they ____
a. are overly structured b. demonstrate low reliability and validity c. are too cumbersome to administer d. are too expensive to include in most psychological assessments
If, after calculating an independent-groups t test you find that it is equal to zero, then a. the two sample means differ significantly
b. the two sample means do not differ significantly. c. you have done something wrong. d. the two population means differ significantly.
For ______, the data are typically in the form of frequencies for different categories on a variable.
A. parametric tests B. frequency tests C. nonparametric tests D. bivariate tests