# Chapter 7: Research Design Explained Introduction to Correlational Research

You are now at the Chapter 7 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 most of the key terms are connected by looking at this  concept map.

To review the key concepts involved in describing and making inferences about a single variable, study this concept map.

Understand Chapter 7's rules and slogans.

Enjoy a fun review of the basics of correlational evidence by reading this murder mystery.

Test  yourself on key terms with flashcards

Participate in a descriptive study: Get a better sense of what descriptive research is like by participating in research that uses a descriptive method.

Compute correlation coefficients using our correlation calculator or using another statistical calculator.

Help with answering the end-of-chapter exercises.

Play a game that will help you learn how to estimate a correlation coefficient from a graph.

Visualize what different correlations mean by typing in different correlation coefficients on the line next to "Correlation" (and then pressing "enter') in this interactive demo. You can also drag points on the line to see what effect moving them has on the correlation coefficient.

Take some practice quizzes
• Take six-item quizzes over the first part of the chapter (over orrelation, description, and causality).
• Take seven-item quizzes over the second part of the chapter (over types of correlational research).
• Take 12-item quizzes over the third part of the chapter (over describing correlational data using correlation coefficients and scatterplots).
• Take 14-item quizzes over the fourth part of the chapter (over making statistical inferences from correlational data).
Do some archival research on the web using the following links.

Use this tool to interpret positive, negative, and zero correlations.

• Windows version (When you try to run it, MS defender may give you a warning. If so, click on Defender's  "More Info" link, and then click the "Run anyway" button)
• Mac version

Further review the material by reading the chapter summary.