When examining the percentage of Christians serving as psychologists compared to the general U.S. population, the percentages are about the same.

Any difference between experimental and control groups other than the independent variable is a ________ variable.

a. confounding b. false c. dependent d. placebo

Which of the following is an example of a group difference or cultural factor capable of influencing our perceptions of others?

a. physical senses b. physical state c. physical appearance d. eye contact