Operations Research study generally involves how many phases ?

A Three
B Four
C Five
D Two

Correct Answer: Three

Operations Research study generally involves three phases.
1.Judgment Phase. This consists of: (i) Determination of the operation (ii) establishment of the objectives and values related to the operation (iii) Determination of the suitable measures of effectiveness and (iv) formulation of the problems relative to the objectives.
2.Research Phase. This phase utilizes; (i) Operations and data collection for a better understanding of the problems, (ii) Formulation of hypothesis and model, (iii) observation and experimentation to test the hypothesis on the basis of additional data, (iv) Analysis of the available information and verification of the hypothesis using pre-established measures of effectiveness, and (v) predictions of various results from the hypothesis (vi) generalization of the various results and consideration of alternative methods.
3. Action Phase. It consists of making recommendations for the decision process by those who first posed the problems for consideration or by anyone in a position to make a decision, influencing the operation in which the problem occurred.
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