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Interservice Procedures for Instructional Systems Development :
Executive Summary and Model (Continued...)
by Robert K. Branson, Gail T. Rayner and J. Lamarr Cox

An extremely important management function in this block is that of insuring that the revisions made are necessary and that the data have been carefully analyzed and interpreted before these revisions are made.

Frequently the "easiest" solution is simply to add more materials without adequate analyses of the problem. The manager must constantly guard against this tendency to add material when it may not be necessary.

It will be a continuing duty of the manager, in working with those who develop materials, to convince them of the necessity of developing barely adequate materials in first draft form. The reason for this requirement is that it is extremely difficult to identify materials which have been over developed, but it is simple to identify materials which are inadequate.

Finally, the manager must insure that the trainees used in the validation process are truly representative of those for whom the instruction is being designed. Revisions and adjustments in the instruction are made on the basis of data collected from the trainees used. If these trainees are incorrectly selected, bad revision decisions inevitably result.

continued...

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