Exam 1: Research in the Behavioral Sciences

When researchers derive research hypotheses from a theory, they use

A researcher was interested in whether extraversion is related to drug use. He administered a measure of extraversion, along with a questionnaire regarding drug use, to 200 respondents, then looked at the relationship between the scores on the two measures. This is an example of ________ research.

A researcher was interested in the effects of loud music on physiological arousal. After playing music to participants through headphones at one of five decibel levels (from very quiet to very loud), she measured their level of arousal. This is an example of ______ research.

In an experiment, the variable that is manipulated by the researcher is the _______ variable.

In what was is a quasi-experiment different from a true experiment?

Some philosophers of science have suggested that the defining characteristic of science is its emphasis on