A Z score of -2.00 indicates a score that lies
a. two standard deviation units to the right of the mean
b. two standard deviation units to the left of the mean
c. 0.5 of one standard deviation unit on each side of the mean
d. any of the above are possible depending on the value of the mean
b
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Megan understands that the social world
channels all of our activities, even our sexuality. She draws on the concept of __________ to explain the development of both homosexuality and heterosexuality. A) activity theory B) labeling theory C) social learning D) sexual scripts
A rating point is worth about ________ for each thirty-second network commercial, but a commercial on a hit series can bring in ________ more per commercial that what is charged for an average series
a. $32,000; $10,000 b. $224,000; $60,000 c. $10,000; $32,000 d. $60,000; $224,000
Which of the following is an example of an equal-interval variable?
A) Marital status of a person (single, divorced, etc.) B) Number of friends a person has (2, 4, etc.) C) Results of a horse race (arrived 1st, 2nd, etc.) D) Numbers printed on the back of a basketball team's jerseys (21, 43, etc.)
An experimenter is interested in the influence of taking a one semester long test preparation course on performance on the SAT. She contacts high school students who have and who have not taken the course and compares their scores on the SAT exam. She finds that the students who have taken the course score signifigantally higher on the test. The appropriate statistical test is
a. descriptive statistics b. pearson correlation c. chi-square d. t-test