NotesFAQContact Us
Collection
Advanced
Search Tips
Publication Date
In 20240
Since 20230
Since 2020 (last 5 years)0
Since 2015 (last 10 years)1
Since 2005 (last 20 years)1
Source
Educational and Psychological…1
Author
Ho, Andrew D.1
Yu, Carol C.1
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Ho, Andrew D.; Yu, Carol C. – Educational and Psychological Measurement, 2015
Many statistical analyses benefit from the assumption that unconditional or conditional distributions are continuous and normal. More than 50 years ago in this journal, Lord and Cook chronicled departures from normality in educational tests, and Micerri similarly showed that the normality assumption is met rarely in educational and psychological…
Descriptors: Statistics, Scores, Statistical Distributions, Tests