TABLE OF CONTENTS
Introduction
1 of 4

Chapter 1.

Student Video Activities for Abnormal Psychology
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You must read each slide, and complete any questions on the slide, in sequence.

Experimental Design in Action

Photo Credit: Masterfile (Royalty-Free Div.)

Author: Ronald J. Comer

Princeton University

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This video shows an experiment with human subjects whose findings suggest that the effectiveness of placebo drugs is partly a result of the patients' release of endorphins, their natural opioids. The implication is that, for some people, the expectation that a given treatment will soon be helpful causes them, without awareness, to release endorphins throughout their brain and body. In turn, the endorphins reduce their pain or help them to feel better in other ways.

1.

1. In this experiment, the dependent variable was ______________.

2. An experiment, such as this study, is superior to correlational studies because ______________.

3. This is a double-blind study, which means ______________.

4. Placebos ______________.

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