The Second Edition of An Applied Guide to Research Designs offers researchers in the social and behavioral sciences guidance for selecting the most appropriate research design to apply in their study. Using consistent terminology, the authors visually present a range of research designs used in quantitative, qualitative, and mixed methods to help readers conceptualize, construct, test, and problem solve in their investigation. The Second Edition features revamped and expanded coverage of research designs, new real-world examples and references, a new chapter on action research, and updated ancillaries.

Single-Case Approach

The single-case approach is often referred to as the single-participant or single-subject design. In addition, some single-case approaches use more than one participant (N = 1) and are referred to as small-n designs, but the emphasis and unit of analysis remain on the single subject as reporting guidelines are regularly updated and produced (see Tate et al., in preparation). We remain consistent with our terminology and refer to these as single-case approaches and reserve the word design for the specific type of design defined within the approach. A single-case approach is used to demonstrate a form of experimental control with one participant (in some instances more than one participant). As seen in within-subject and between-subject approaches, the major contingencies required to qualify ...

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