II. Research Methods
There are various research methods, which can be divided in to four types: case studies, correlational, controlled experimental, and multiple-baseline experimental. These research methods help psychologists evaluate individuals' abnormal behavior.

	4.2	Research Methods Hear an application about determining cause and effect in psychological research.

	4.8	Psychological Research Maintained by American Psychological Study, this site offers links to psychological research on the net.

	4.9	Current Events: Gene Map Read an article on the applications of human genome research to research questions in human abnormal psychology.

	4.10	Case Study Research This page offers an article regarding case study research. What are the different types of case studies?

	4.11	Current Events: Thought-Field Therapy: Pseudoscience? Read an article evaluating scientific research on a new therapy in abnormal psychology.

	4.12	The Placebo Effect What is the placebo effect? This page, from the Skeptic's Dictionary, explores the use of placebos in research and the placebo effect.

	4.7	Essay: Animal Research Write an essay on the use of animal research in avoiding practical and ethical problems in human psychological experiments. What are the limits and problems of animal research in this context?

	4.8	Online Investigation: The Ethics of Animal Research Learn more about animal research in experimental psychology and take a stand regarding research and animal rights.

	4.13	Statistics in Research This page provides a statistics glossary, with definitions and information on presenting data, sampling, and probability.

	4.9	Matching: Concept Check Complete this matching exercise to review the people and concepts discussed in this chapter.

	4.10	Thinking Critically: Questions about Research Methods Address critical thinking questions on this section of text.

	4.11	Review of Key Terms Check your knowledge of key terms and concepts form this section.