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Figure 1 | Journal of Foot and Ankle Research

Figure 1

From: A questionnaire for determining prevalence of diabetes related foot disease (Q-DFD): construction and validation

Figure 1

Methodological steps used for survey development. This flowchart depicts the steps taken to develop and validate the survey tool. It incorporates the steps used to determine face, criterion and construct validity as well as survey reliability. Overall 107 study participants and eleven 'experts' were used to confirm that the survey was both valid and reliable.

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