What is the primary advantage of using statistical analysis in a research study?

a. It allows you to confirm the hypotheses that were set forth when you started the research. b. It allows you to attempt to account for any of the error that exists in virtually any body of data. c. It allows you to demonstrate that you, as the researcher, are competent to examine and interpret the results of your research. d. It allows you to get your research proposal approved by an Institutional Review Board and, later, allows your research to be published.

$\_\_\_\_\_\_\_\_\_\_\_$ is the branch of mathematics that is concerned with the collection and interpretation of data from samples.

a. Statistics b. Psychometrics c. Probabilities d. Coefficients

A researcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. One of the subjects is in an automobile accident two weeks after participating in the research study. Is this an example of an unanticipated problem that requires reporting to the IRB?

Imagine that you are conducting a research study on the sexual attitudes and behaviors of adolescents. What ethical safeguards should you use in conducting the study?

Huong has moved from China to the United States. While she dresses and acts like her American friends, she still has retained much of her cultural heritage and attends traditional Chinese dance classes on the weekends. This is an example of

a. assimilation.             c. separation. b. integration.             d. marginalization.

Kohanna thinks that everyone who smiles must always be happy, and those people who are quiet must be naturally shy. Such assumptions are the basis for

a. stereotypes. b. implicit personality theory. c. attribution theory. d. attitudes.

Leptin is a hormone involved in

a. appetite control. b. metabolism control. c. digestion of fatty foods. d. neurotransmissions.

Jacob believes he is in control of his own destiny. He feels he is secure in the friendships he has with others. However, he still feels the need to master many of the challenges in his own life and career. According to self-determination theory, which stage is Jacob still working to complete?

a. autonomy b. competence c. relatedness d. affiliation

According to the arousal theory, people are typically motivated toward $\_\_\_\_\_\_\_\_\_\_\_$ point of arousal.

a. the highest b. the optimal c. the easiest d. the quickest

Motivational theories such as $\_\_\_\_\_\_\_\_\_\_\_$ are physical in terms of their needs, while $\_\_\_\_\_\_\_\_\_\_\_$ is based on psychological motives.

a. drive theory; instinctual theory b. biological theory; drive theory c. drive theory; McClelland’s need theory d. need for power; drive theory

The approach to motivation that forced psychologists to consider the value of homeostasis in motivation was the $\_\_\_\_\_\_\_\_\_\_\_$ approach.

a. arousal b. drive-reduction c. instinct d. incentive

Jasmine often requires her friends’ approval when she buys new outfits. Her need is an example of a(n) $\_\_\_\_\_\_\_\_\_\_\_$ drive.

a. primary b. acquired (secondary) c. innate d. instinctive

Andrew is conducting a test in which he has three different participant groups, and he wants to analyze the variance among the three groups. In other words, he wants to know whether the means of each group are significantly different from each other. Which of the following would he want to calculate?

a. A z-test b. A t-test c. An F-test d. A chi-square test

If a chart shows that more than 80 percent of the students received either an A or B in the class, one would describe the chart as

a. normal distribution. b. positively skewed. c. negatively skewed. d. bell shaped.