... JJ, Sanders A, Gastelum S, Moore-Monroy M, et al: Taking a broad approach to public health program adaptation: adapting a family-based diabetes education program. JPrimPrev2010, 31( 1–2 ):6 9–8 3.41. ... trial, with strong internal validity andweak external validity, and the observational study, withstrong external validity and weak internal validity, takinginto account all the intermediate ... ele-ments are most important for particular settings andclinical targets. Actually, the tool is intended more fortranslating research into practice than for assessing ex-ternal validity.Transferability...