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Smith, Stacey L.; Vannest, Kimberly J.; Davis, John L. – Psychology in the Schools, 2011
The reliability of data is a critical issue in decision-making for practitioners in the school. Percent Agreement and Cohen's kappa are the two most widely reported indices of inter-rater reliability, however, a recent Monte Carlo study on the reliability of multi-category scales found other indices to be more trustworthy given the type of data…
Descriptors: Monte Carlo Methods, Interrater Reliability, Flow Charts, Computation
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George, Catherine C.; Vannest, Kimberly J. – Beyond Behavior, 2009
Questions and concerns exist regarding the exclusion of students with disabilities from statewide assessments, partly because the number of student with disabilities who are included in state assessment varies from state to state and is generally low. This contributes to a belief that accountability for all students may be misunderstood or ill…
Descriptors: Disabilities, Program Effectiveness, Accountability, Decision Making