Research in communication sciences and disorders is a broad topic that encompasses many different methods and procedures. Research in disciplines such as audiology, Speech–Language pathology, and speech and hearing science refers to approaches to inquiry that are preplanned and systematic in nature. The term scientific research is used to set this kind of research apart from everyday forms of information gathering and research that members of the public conduct. This entry offers a comprehensive discussion of the nature of scientific research, presenting its various types and methods (e.g., empirical vs. nonempirical, basic vs. applied, and translational) and explaining in detail the differences between the forms that research designs can take and the ways in which variables are defined and used by the researchers. The entry ...

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