Exam 1: Section 2: The Science of Psychology

To equalize participant characteristics across groups in an experiment, researchers use random _____, which allows them to _____.

Which statement BEST reflects the third-variable problem?

Experimental study is to _____ as correlational study is to _____.

Which statement regarding populations and samples is TRUE?

Which is typically considered a descriptive research method?

Dr. Wilson studies how people evaluate different options when making a decision. Dr. Wilson's research MOST directly illustrates psychology's _____ perspective.

What is the mean of the following set of scores: 3, 6, 0, 7, 2, 2, 8?

The nocebo effect is to _____ as the placebo effect is to _____.

In the aerobic exercise experiment described in the textbook, the experimenter might conclude there is a placebo effect if the reduction of anxiety in the placebo group was significantly _____ than the reduction in the _____ group.

To investigate whether gender and age influence people's perceptions of an individual's responsibility for an accident and an appropriate penalty, Donald created four scenarios describing the same accident. The only difference among the scenarios was whether the person involved in the accident was an older man, an older woman, a younger man, or a younger woman. After reading the scenario, participants rated the extent to which the individual was responsible for the accident and the amount of the fine. Based on this description, the experiment included _____.

Which procedure would increase the likelihood that neither the experimenter's nor the participants' expectations would impact the results of a research project?

Kelli's psychology professor informed the class that she conducts research on problem solving and reasoning. Kelli's psychology professor is MOST likely a proponent of the _____ perspective.

In a right-skewed distribution, the mean is _____ than the median and _____ than the mode.

Dr. Brandon studies how the customs and norms of different countries shape children's educational and career goals. Dr. Brandon's research MOST likely reflects a _____ perspective.

Which is a purely descriptive type of research method?

Charlene is interested in determining whether the opinions of registered voters toward an increase in taxes for the public schools are influenced by the age of the voter. In her research, she attempts to contact every 20th person on the voter registration lists. All registered voters constitute the _____ for this study and the people she contacts constitute the _____ for this study.

In order to discover the extent to which education can be used to predict political preferences, researchers are MOST likely to engage in _____.

"Meta-analysis" is the answer to which question?

Only one research method can be used to determine if one variable causes a change in another variable. Which research method is designed to answer this type of question?

Which correlation coefficient represents the variables with the strongest degree of relationship?