A credible cover story helps to ensure

According to the authors of your text, one of the major problems with relying solely on evolutionary theory as the only explanation for social behavior is that

Assume that Latané and Darley want to demonstrate the external validity of their 1968 experiment on bystander intervention. To do this, they conduct a study in which participants solve crossword puzzles alone, or in large or small groups. While the participants are working on the puzzles, they overhear a woman fall from a ladder and cry out, “Oh, my leg! I can’t move it!” The researchers then observe and record the number of participants who attempt to help. The study described here represents a(n) ________ of the original “seizure” study.

A researcher wants to examine whether teachers show any bias in calling on male students over female students. The best method for answering this question would be

Participants in a classic experiment conducted by Stanley Milgram (1963) found themselves in the uncomfortable position of being asked to administer increasingly strong shocks to a learner every time he made a mistake. Videotapes of the participants showed them laughing hysterically, chain-smoking, sweating, and fidgeting nervously. Based on these videotapes, it could be inferred that Milgram’s experiment was high on

One problem with informed consent is that

An experimenter conducts a program of research to determine what types of messages are most effective in promoting condom use among adolescents. How would you classify this type of research?

Mario conducts a study on what Caucasians perceive as physically attractive, then conducts the same study with African Americans, and then with Asian Americans as the sample. Mario is using ________ to determine the external validity of his findings.

A researcher is designing an experiment, and ensures that each participant is equally likely to be in one condition as another. He does not assign them based on any characteristics such as gender, ethnicity, or personality. This researcher is ________ participants.

Experimenters who value external validity primarily want their findings to generalize across ________ and ________.