EBK RESEARCH METHODS FOR THE BEHAVIORAL
EBK RESEARCH METHODS FOR THE BEHAVIORAL
6th Edition
ISBN: 8220106720271
Author: Forzano
Publisher: YUZU
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Chapter 10.2, Problem 4LO

Describe the two nonexperimental nonequivalent group designs (differential research and the posttest-only nonequivalent control group design) and the quasi-experimental nonequivalent group design (pretest-posttest nonequivalent control group design), and identify examples of these designs when they appear in a research report.

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In an observational study, it was noticed that people that eat more chocolate tend to have better blood flow than the general population. Researchers wonder whether the improved blood flow might be caused by flavanols (a molecule found in many foods). Dark chocolate contains a high concentration of flavanols, but milk chocolate contains a much lower concentration. How could the researchers design an experiment to determine the effects of flavanol on blood flow from the different types of chocolate?
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EBK RESEARCH METHODS FOR THE BEHAVIORAL

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what is Research Design, Research Design Types, and Research Design Methods; Author: Educational Hub;https://www.youtube.com/watch?v=LpmGSioXxdo;License: Standard YouTube License, CC-BY