This is Dr. Powell's article published by Psi Chi. It discusses research done by psychology undergraduate majors and how students could get more out of the project than fulfilling a class assignment. Ways to dust off the project, bring it to life, and possibly publish or present the research are discussed.
This website includes a nice review of internal validity issues and also discusses other issues in
experiments. What is said about the relationship of human physiology and placebo effects?
To learn more about the book this website supports, please visit its Information Center.