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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

ability to make good data based decisions is dependent upon the quality of the data collected and the care with which appropriate conclusions are drawn from that data. It is ordinarily through the revision process, particularly the early revision cycles, that some of the great payoffs from the ISD process can be realized.

An extremely careful effort must be undertaken to establish the basis for comparing instruction after revision with prior operating data. Since comparative data are ordinarily stated in terms of percentages of increase or decrease in time efficiency, percentages of increase or decrease in effectiveness, or increases or decreases in dollars, these numbers must be adequately documented and compared in order to draw appropriate conclusions from the results.

Inputs

The inputs to Block V.3 include the following:

1. The internal evaluation report

2. The external evaluation report

3. All prior course documentation needed

4. Necessary external inputs which may arise as a result of changes in the personnel system or other sources external to the instructional setting.

Procedures

The procedures to be followed include the following: .

1. Determine the need for revision based on:

a. Changes in doctrine, content, new system requirements, personnel changes

continued...

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