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Hierarchy of Evidence

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In traditional top-down approaches to research, a hierarchy of evidence or research methods is often utilized (Figure 7.2). In this pyramidical hierarchy of methods, meta-analyses and systematic reviews occupy the pinnacle and qualitative methods are at the base. Researchers who prefer the alternative, bottom-up approach are much more likely to employ qualitative and mixed methods. Critical health psychologists dispute the validity of the evidence hierarchy, which tends to be formulaic, restrictive and lacking in innovation.

Health Psychology

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