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Outliers and Regression Models

Description: The mitigation of outliers serves to increase the strength of a relationship between variables. This study defined outliers in three different ways and used five regression procedures to describe the effects of outliers on 50 data sets. This study also examined the relationship among the shape of the distribution, skewness, and outliers.
Date: May 1992
Creator: Mitchell, Napoleon
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

The Effects of Supplemental Performance and On-Task Contingencies on the Acquisition of Math Skills for Elementary School Students with Behavioral Disorders, Students with Attention Deficit Disorders, and Students without Disabilities

Description: The purpose of this study was to investigate the effects of supplemental on-task and performance contingencies on the acquisition of math skills for elementary school children identified as seriously emotionally disturbed/behaviorally disordered, attention deficit disordered, and students without disabilities. Three experimental conditions were utilized, involving teacher-directed instruction with (a) no contingencies, (b) contingencies for academic performance, and (c) contingencies for academ… more
Date: May 1993
Creator: Suter, Cheryl L. (Cheryl Lynn)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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