A population has a mean of 75 and a standard deviation of 15. You randomly sample nine people from the population, and the mean of the nine people was 80. What is the z score of your sample mean?
A. 0.7
B. 1.3
C. 1.0
D. 2.4
Answer: C
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How many morphemes are in the word friends?
a. 1 b. 2 c. 3 d. 7
If you ask college students to estimate their parents' IQ, who would have the lowest estimate?
A. their mothers B. their fathers C. it depends-only male students would estimate their fathers' IQ as the lowest D. it depends-only female students would estimate their fathers' IQ as the lowest
Within the family resemblance method of category formation, objects with few of the family features:
a. represent "good" members of the category b. represent "poor" members of the category c. are called prototypes or exemplars d. form the basic level for the concept hierarchy
In what type of research design are the same participants repeatedly observed or tested?
a) cohort b) longitudinal c) correlational d) cross-sectional