Daniel Would Like to Study a New Way of Teaching

question 26

Multiple Choice

Daniel would like to study a new way of teaching research methods. There are two sections of research methods being taught at 2pm on Mondays and Wednesdays, so Daniel has one teacher use the new way and the other teacher use the old way. At the end of the semester, he finds that students who were taught the new way had higher grades than students taught the old way. What is the extraneous variable?

• A) grades at the end of the semester
• B) method of instruction (new versus old)
• C) the two teachers
• D) There is no extraneous variable in this study.

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Definitions:

Pain

A complex sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage.

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus strengthens or increases the likelihood of a desired response.

Pill

A small, round, solid pharmaceutical oral dosage form of medication that can contain various active ingredients.

Pain

A distressing sensation and emotional experience linked to tissue damage or described in terms of such damage.