1. Describe how the third-variable problem and the directionality problem limit the interpretation of results from correlational research designs. 2. Select one of your correlational studies from...

1. Describe how the third-variable problem and the directionality problem limit the interpretation of results from correlational research designs.

2. Select one of your correlational studies from activity #1 and describe how the same relationship could be examined using a nonexperimental, differential research study (see Box 10.1, p. 288).