What type of research design should a researcher use if she wishes to determine if a statistical relationship exists between variables?

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A correlational research design is used to determine if a statistical relationship exists between variables. This involves measuring two or more variables and examining whether there is a statistically significant association between them. Qualitative research designs focus on understanding the meaning and experiences of individuals or groups, while experimental studies involve manipulating variables to determine cause-and-effect relationships. Case studies involve in-depth analysis of a single individual or group and may not be generalizable to a larger population.

What Type of Research Design Should a Researcher Use If