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NREPP Glossary
The following definitions have been drawn from numerous sources and are tailored specifically for content on the NREPP Web site. The terms defined here may have slightly different meanings in other settings.
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- Adaptation
- A modest to significant modification of an intervention to meet the needs of different people, situations, or settings.
- Adverse effect
- Any harmful or unwanted change in a study group resulting from the use of an intervention.
- Attrition
- The loss of study participants during the course of the study due to voluntary dropout or other reasons. Higher rates of attrition can potentially threaten the validity of studies. Attrition is one of the six NREPP criteria used to rate Quality of Research.
