Why internal validity matters for Impact Evaluations
Understanding the impact of an intervention or program is crucial for decision-making and improving outcomes. However, it is not enough to simply observe changes in outcomes as they may be influenced by other factors, such as external events or confounding variables. This is where internal validity comes into play.
How to estimate sample size for an impact study
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How to secure client data
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What are propensity scores?
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Why do studies use randomization? Part 2
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Why do studies use randomization? Part 1
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