Systematic Literature Review (Grey Literature)

Photo by Vidya Venkataramanan

Photo by Vidya Venkataramanan

January 1, 2012

This study presents findings from a systematic literature review on the effectiveness and impact of CLTS programs. The 115 grey literature publications reviewed focused mainly on processes such as triggering and the role of key actors in implementation. While grey literature is often used by practitioners to cite the effectiveness and need for scale-up of CLTS, the publications reviewed lacked the rigor and/or consistency of methods to make definitive conclusions about the impact of CLTS on sanitation and hygiene outcomes.

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