Reasons for Use of Evaluation Methodologies

According to the Office of the Assistant Secretary for Planning and Evaluation, The Lewin Group Inc. , “Despite the diversity of design, costs, and other factors, the aim of evaluation methods in use today is essentially the same, i. e. , to assess the effect of an intervention on one group compared to the effect of a different intervention (or no intervention) on another group.

By definition, all evaluations have a control or comparison group. ” Thus, the reasons for using evaluation methodologies after developing a community health plan for African American women with diabetes are twofold: (1) To find out whether the community health plan is actually effective; and (2) To know whether alterations to the community health plan would serve the purpose of the plan more effectively.

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Given that the community health plan for African American women with diabetes is a health intervention that would be developed to improve the health of African American women suffering from diabetes; the effects of the health intervention on one group of African American women with diabetes would have to be weighed against the effects of no intervention on another group of African American women with diabetes. This would allow the researcher to evaluate whether the health intervention actually serves to improve the health of African American women with diabetes.

On the other hand, the researcher would be able to make changes to the health intervention by comparing the effectiveness of the health plan against the effectiveness of other interventions that are developed and applied to separate groups of African American women with diabetes. As a matter of fact, the researcher may develop a number of health interventions besides the community health plan in order to find out whether alterations to the plan are called for. After all, scientific research is a continuously evolving process.