NotesFAQContact Us
Collection
Advanced
Search Tips
50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Back to results
Peer reviewed Peer reviewed
ERIC Number: EJ137067
Record Type: CIJE
Publication Date: 1976
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Effects of Coarse Grouping and Skewed Marginal Distributions on the Pearson Product Moment Correlation Coefficient
Wylie, Peter B.
Educational and Psychological Measurement, 36, 1, 1-7, Spr 76
Twelve non-normal bivariate distributions were constructed to investigate the effects which coarsley grouped, skewed marginal distributions have on the correlation coefficient and the accuracy of current methods of correction for grouping. (Author/RC)
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Grouping (Statistical Analysis); Pearson Product Moment Correlation; Skewed Distributions