The following table provides an outline and explanation for the different types of program evaluation. Evaluation Types When to use What it shows Why it is useful Formative During the development Whether the proposed Allows for modifications to Evaluation of a new program. program elements are be made to the plan before likely to be needed, full implementation begins. When an existing understood, and accepted program is being Maximizes the likelihood by the population you modified or is being that the program will be want to reach. used in a new setting or successful in meeting its with a new population. The extent to which an stated goals. evaluation is possible based on the goals and objectives. Process Evaluation As soon as program How well the program is Provides an early warning implementation begins. working. for any problems that may occur. During operation of an The extent to the existing program. program is being Allows programs to monitor implemented as designed. how their program plans and activities are working. Whether the program is accessible to its target population. Outcome Evaluation After one or more The degree to which the Tells whether the program persons have program is having an is being effective in meeting participated in the effect on the target its objectives. program. population. Impact Evaluation At completion or during The degree to which the Provides evidence for use an existing program at program meets its in policy and funding appropriate intervals ultimate goal. decisions.
The following table provides an outline and explanation for the different types of program evaluation. Evaluation Types When to use What it shows Why it is useful Formative Evaluation During the development of a new program. When an existing program is being modified or is being used in a new setting or with a new population. Whether the proposed program elements are likely to be needed, understood, and accepted by the population you want to reach. The extent to which an evaluation is possible based on the goals and objectives. Allows for modifications to be made to the plan before full implementation begins. Maximizes the likelihood that the program will be successful in meeting its stated goals. Process Evaluation As soon as program implementation begins. During operation of an existing program. How well the program is working. The extent to the program is being implemented as designed. Whether the program is accessible to its target population. Provides an early warning for any problems that may occur. Allows programs to monitor how their program plans and activities are working. Outcome Evaluation After one or more persons have participated in the program. The degree to which the program is having an effect on the target population. Tells whether the program is being effective in meeting its objectives. Impact Evaluation At completion or during an existing program at appropriate intervals The degree to which the program meets its ultimate goal. Provides evidence for use in policy and funding decisions.
YJ-Programs-Framework-Fact-Sheet-G-Evaluation.docx