Once the objectives have been set these has to be specified perhaps in the form of indices.Ĭollection of relevant data, if necessary by a suitable sample.Can it evaluate public health output without comparisons with results of alternative investments?.Or can the team at least confine itself to that part which is under direct public control?.Does it comprise the entire health field in the nation?.Phases of Operational research Formulation of the problem including definitions of the objectives. Implementing the solution in the whole system.Testing of solution eg : Pilot projects.Choosing the optimal solution and forecasting the results.Deriving solutions from the hypothesis or model.Analysis of data and formulation of hypothesis.Collection of relevant data, if necessary by a suitable sample.