Question

A research study intends to examine the impact of self-employment scheme for rehabilitation of manual scavengers. Suggest an appropriate research design to undertake such a study giving reasons the kind of research design you have suggested.

10 Jan 2026
Answer :
Word Count : 488
A suitable research design for examining the impact of a self-employment scheme for the rehabilitation of manual scavengers is a quasi-experimental research design, specifically using a difference-in-differences (DiD) approach combined with mixed methods. This design is appropriate because the policy intervention is already implemented, ethical and practical constraints prevent random assignment, and the study aims to estimate causal impact on economic and social outcomes. The self-employment scheme represents a public policy intervention targeted at a specific vulnerable group, with objectives such as income enhancement, occupational shift, social inclusion, and improvement in quality of life. Since beneficiaries are selected through administrative and eligibility criteria rather than randomization, a true experimental design is not feasible. A quasi-experimental design allows the researcher to approximate causal inference by constructing a credible counterfactual. In this context, the DiD framework compares changes in outcomes for beneficiaries before and after receiving the scheme with changes for a comparable non-beneficiary group over the same period. The treatment group would consist of individuals or households that have participated in the self-employment scheme, while the control group could include eligible manual scavengers who have not yet received benefits due to phased implementation, budget constraints, or
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