If Participants Believe That a Sugar Pill Will Reduce Their

question 107

Multiple Choice

If participants believe that a sugar pill will reduce their pain,brain imaging will show

• A) reduction in the endorphin systems.
• B) reduction in the dopaminergic systems.
• C) activation of the endorphin systems.
• D) activation of the area postrema.

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Definitions:

Test

An assessment or examination intended to measure a test-taker's knowledge, skill, aptitude, physical fitness, or classification in many other topics.

Independent Variable

The variable in an experiment that is manipulated to observe its effect on the dependent variable.

Dependent Variable

The variable in an experiment that is affected by manipulation of the independent variable, and is measured or observed by the researcher.

Control Variable

An experimental element which is constant and unchanged throughout the course of the investigation to ensure that the effect of the independent variable can be measured accurately.