If you need to develop a research method for your capstone or thesis, one of the best places for help with definitions, explanations of statistical methods, different qualitative (Little Blue Books) or quantitative (Little Green Books) methods, and survey/questionnaire design, I recommend using:
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A web-based research methods tool to help researchers, faculty and students with research projects. Researchers can explore methods to help them construct research projects, and understand various methods. This database focuses on methodology and is useful for all disciplines.