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Technical analysis of the slosson phonics and structural analysis test

机译：Slosson语音的技术分析和结构分析测试

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摘要

Technical characteristics of Slosson Phonics and Structural Analysis Test (SP-SAT) scores were studied using three independent samples of boys and girls aged 6 years, 6 months, through 9 years, 11 months. A decision efficiency study (n = 100) resulted in a total predictive value of .86 (sensitivity = .95, specificity = .77, positive predictive power = .80, negative predictive power = .94). Item difficulty was .65 (median), and item discrimination was .52 (median). Interitem consistency was r =.93, .93, and .96 for scores on the Phonics Index, Structural Analysis Index, and SP-SAT total standard score, respectively (n = 375), whereas 2-week test-retest reliability was r = .90, .88, and .90 for scores on the same scales, respectively (n = 165). The SP-SAT yielded moderate to high concurrent validity coefficients when compared with the Wide-Range Achievement Test-Third Edition Reading subtest; Woodcock-Johnson: Tests of Achievement-Third Edition Letter-Word Identification, Word Attack, Passage Comprehension, and Writing Samples subtests; and Woodcock-Johnson: Tests of Achievement-Revised Dictation subtest. Practice and research implications are discussed.
机译：使用三个独立的年龄分别为6岁，6个月，9岁，11个月的男孩和女孩样本，研究了Slosson语音和结构分析测试（SP-SAT）分数的技术特征。决策效率研究（n = 100）得出的总预测值为.86（灵敏度= .95，特异性= .77，阳性预测能力= .80，阴性预测能力= .94）。项目难度为0.65（中位数），项目判别率为0.52（中位数）。拼读指数，结构分析指数和SP-SAT总标准分数的得分，项目间一致性分别为r = .93，.93和.96（n = 375），而2周重测信度为r相同比例的分数分别为.90，.88和.90（n = 165）。与宽范围成就测验-第三版阅读子测验相比，SP-SAT产生了中等至较高的并发有效性系数。 Woodcock-Johnson：成就测试-第三版字母-单词识别，单词攻击，段落理解和写作样本子测试;和伍德考克·约翰逊（Woodcock-Johnson）：成就测验的听写子测验。讨论了实践和研究意义。

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