ABSTRACT
Inordertoestablishtheteachingworthofanobjective,onequestionsor observestraineesandtrained,collectingdataforeachtaskortaskelemtnt, underheadingssuchas:
0Frequencyofperformance 0Criticalityofanerror 0Difficultyinavoidingerrors. Thelogicisthatfrequentlyperformed,criticalanddifficulttasksare
obviouslyworthteaching(highpriorityinour'worthleague')whereasatthe otherextreme,rarelyperformed,non-criticalandeasytasksareoflowpriority. Intermediatecasesleadtointermediatedecisionsconcerningwhetherornotto instructandalsogivesomecluesonhowtoorganizeanyproposedinstruction.
