A researcher measures the extent to which time spent watching educational preschool television programming predicts success in school. Which factor is the criterion variable in this example?
A. educational preschool television
B. type of television programming
C. success in school
D. time spent in school
Ans: C
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An investigator finds that college students who drink alcohol excessively have academic achievement that is lower than other students who do not engage in this activity. She concludes that excessive drinking of alcohol results in decreased academic achievement. Which alternative hypothesis(s) should she investigate?
a. Hypothesis of the common cause b. Hypothesis of reverse causality c. Hypothesis about other independent variables d. a and c e. All of these are true.
Which of these tools would be of most use to geography teachers?
A) GPS systems B) CAD systems C) CBL systems D) MIDI systems
Intermittent reinforcement strives to promote
a. acquisition and fluency of the behavior b. maintenance and generalization of the behavior c. fluency and maintenance of the behavior d. none of the above
An investigator found that the proportion of graduates of private high schools who are admitted to prestigious colleges is much higher than the proportion of public high school graduates whom these colleges admit. The investigator might conclude that private high schools do a better job-preparing students for college. Or, and investigator could propose many other hypotheses. Choose the correct
hypothesis. Which of the following is a hypothesis of an alternate independent variable? a. the same things that motivate parents and students to select private schools instead of public schools motivate them to do what is necessary to get into prestigious colleges. b. admissions officers in prestigious colleges are biased in favor of private school graduates. c. the milieu of private schools is more similar to college than the milieu of public schools.