Evaluation Glossary

Time-series Designs

Research designs that collect data over long time intervals - before, during, and after program implementation. This allows for the analysis of change in key factors over time.


US Environmental Protection Agency. (2007). Program Evaluation Glossary. Office of the Administrator/Office of Policy/Office of Strategic Environmental Management/Evaluation Support Division.

Related Terms

Comparative Time-Series Design
Longitudinal Data
Longitudinal Study
Panel Data