We recently concluded the evaluation of an innovative behaviour change campaign, in collaboration with UNHCR und World Vision. The aim of the project was to promote separation of organic waste for livestock in the Tongogara refugee camp, Zimbabwe.
We used the RANAS approach to develop the campaign and a phased implementation with before-after measurement to evaluate it. The results revealed that a combined RANAS and bin provision intervention effectively increased waste separation. Controlling for decreases in the comparison group, the behaviour change achieved by the campaign amounted to 15% in the low intensity group and 30% in the medium intensity group.
Waste observations corroborate these findings. Observations revealed 68% sorting accuracy in the low intensity group and 84% sorting accuracy in the medium intensity group, as compared to only 57% in the comparison group.
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