A professor wants to examine the effectiveness of a new teaching approach. She has a theory about how this new approach will work and will use a methodical approach to test her theory. Her 9:00 a. m. class will be exposed to the new method of viewing teaching tapes, while her 10:00 a. m. class will be exposed to traditional lectures. She will assess students' progress after six sessions. What method is the professor using to conduct her experiment?

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The technique of getting a commitment from a potential customer and then changing the terms of the agreement is best described as low-balling. cognitive dissonance. reciprocal concession. the foot-in-the-door technique. a half-dozen high school students are going to a concert. chantal wants to wear a new colorful outfit that she just received as a gift, but she assumes that her five friends will all be wearing nothing but black leather. chantal decides to do likewise, and leaves her colorful outfit in the closet. chantal’s behavior is an example of conformity. resistance. reciprocation wariness. idiosyncrasy credits.