This Memorandum Report Is published in order to make available the material it contains for the use and convenience of Interested parties. The material has not necessarily been completely evaluated and analyzed, noi subjected to IDA review.Approved for public release; distribution unlimited. This report reviews factors that influence how well knowledge and skills dre retained over relatively long periods if nonuse. A cognitively oriented :nterpretation is applied to prior findings and beliefs about the nature of longterm retention. The report identifies instructional strategies (conditions of learning) which promote long-term retention and do not have an adverse impact on learning. UNCLASSIFIED SECURITY CLASSIFICATION OF THIS PAGE20. DISTRIBUTIONIAVAILABILITY OF ABSTRACT 21. ABSTRACT SECURITY CLASSIFCATION UNCLASSIFIEDIUNLIMITEDM SAME AS RPT. 0] DTIC USERS

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