GRE (Graduate Record Examinations) Psychology Measurement and Methodology-Research Designs Study Material (Page 9 of 16)

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Types of Research: Diagnostic Research and Prognostic Research


Diagnostic Research

This kind of research deals with the analysis to find the cause. Patients are usually treated by clinicians based on diagnostic care. Here researcher wants to know about the root causes of the problem. Such a research would describe the factors responsible for the problematic situation. This problem solving research design consists of:

  • Emergence of the problem
  • Diagnosis of the problem
  • Possible solution for the problem

Prognostic Research

Finding relation between predictors and outcomes in defined populations of people with problems is known as prognosis. Prognostic research is relatively newer branch, which tries to determine course of action.

Prognostic research may assist in early dete

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Types of Research: Evaluation Research


Evaluation Research

Evaluation is a methodological area that is closely related to traditional social research. Evaluation research is used to determine the impact of a social intervention. A social intervention is an action taken within a social context designed to produce an intended result. Evaluation research thus analyzes the impact of a particular program on a certain social problem the program is trying to solve. Evaluation research takes place within a political and organizational context, and so it requires group skills, management ability, political dexterity, and sensitivity to multiple stakeholders.

Evaluation Strategies

  • Scientific-Experimental Models: These derive values and m

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