| Critical Thinking | | Teaches how to identify and evaluate study designs and determine whether a question can be explored scientifically. |
| Internal Validity Tutorial | | Gives examples of threats to validity then challanges students to identify problems with hypothetical studies. |
| Research Design Explained | | Instructors site for a textbook which has lectures, handouts, and activity ideas. Linked student site has self-tests, concept maps, and tutorials. |
| Research Methods | | Online tutorial gives examples, practice, and a test to assist students in understanding the differences between experimental, correlational, survey, and other methods. |
| Wextor | | Tool to help generate web pages for multi-condition (between and/or within subjects) experiments. Requires registration. |
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