You are now at the Chapter 9 section of the book's student Web site.
Here you can
|Review and improve your understanding of the material||Quiz yourself||Apply this information||Get help|
|See how the key terms are connected by looking at this concept map.||
Test yourself on the key terms with this
Play this drag and drop matching game to see if you know your threats to internal validity.
Test yourself using flashcards.
If you have a fantasy baseball or football team, see
how knowing about regression toward the mean can help you win.
|Help with answering the end-of-chapter exercises.|
Go through an
online tutorial on internal validity
Go through our tutorial looking at the weaknesses of four designs.
Go through our murder mystery tutorial on internal validity (highly recommended!)
|Take some practice quizzes