“…That is, compared with classroom instruction, technology-based instruction costs about a third less and also either increases achievement by a third when instructional time is held constant or decreases time to reach constant levels of achievement by about a third. Fletcher (1997Fletcher ( , 2002, Foster and Fletcher (2002), Kulik (1994), Niemiec, Sikorski, and Walberg (1989), and others have presented more detailed discussions of these data. The primary payoff for military operations is the more rapid and reliable preparation of personnel to perform operational duties, which produces significant payoffs for resource expenditures, readiness, and, most importantly, operational effectiveness.…”