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Table 3 Ratings and assessments of transferability

From: Transferability of interventions in health education: a review

Topic studied Number of articles
Specifically addressed the question of studies’ validity by emphasizing their internal and external validity 18 articles : [2530, 34, 36, 37, 43, 54, 55], 2 intervention-based articles [32, 33] and 4 literature reviews [31, 35, 38, 39].
Limitations of generalizability of intervention in health education 11 articles [3, 25, 2933, 37, 39, 54, 55]
Limitations of experimental frameworks for research in the health education field . 8 articles : 7 theoretical and methodological articles [3, 17, 19, 21, 25, 30, 41] and one intervention-based article [15]
The value of qualitative assessments that make it possible to explore and report on possible interactions among populations, interventions, and context and, therefore, to explain the outcomes 16 articles : 14 theoretical and methodological articles [3, 17, 1921, 2527, 2931, 41, 42, 54] and 3 intervention-based articles [14, 32, 33]