Module 6: Descriptive, Normative, and Impact Evaluation Designs
Module 6: Descriptive, Normative, and Impact Evaluation Designs
Module 6: Descriptive, Normative, and Impact Evaluation Designs
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Time Series• Represented as:– O 1 O 2 O 3 X O 4 O 5 O 6• Several (three shown above)observations are made prior to theintervention <strong>and</strong> again three more timesafter the interventionIPDET 21 21