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Levels of problem behavior were assessed when 4 students with severe disabilities received instruction on preferred versus nonpreferred tasks and when tasks of each type were chosen by the teacher rather than by the student. In Phase 1, interview and direct observation assessments were conducted to identify relative preferences for academic tasks. In Phase(More)
A major goal of positive betiavior support (PBS) is to produce broad-based, long-term improvements in adaptive behavior; however, the empirical base, at present, is mainly composed of relatively short-term studies carried out in circumscribed contexts. Therefore, a need exists for reliable data that can inform the field regarding the comprehensive lifestyle(More)
Experience with the 25-S double coil IUD is reported. The device wa s inserted in 206 nulliparous patients between November 1, 1971, and Aug ust 31, 1973. The coil was inserted during menses in 151 patients, and the remaining 55 coils were inserted during the first half of the menstr ual cycle. 24 patients were lost to follow-up during the study interval(More)
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