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Lombardi, Allison; Seburn, Mary; Conley, David – Online Submission, 2011
In this study, Don't Know/Not Applicable (DK/NA) responses on a measure of academic behaviors associated with college readiness for high school students were treated with: (a) casewise deletion, (b) scale inclusion at the lowest level, and (c) imputation using E/M algorithm. Significant differences in mean responses according to treatment…
Descriptors: Measures (Individuals), Readiness, Validity, High School Students