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Peer reviewed Peer reviewed
ERIC Number: EJ297547
Record Type: CIJE
Publication Date: 1984
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Implementing the Welch-James Procedure with Factorial Designs.
Algina, James; Olejnik, Stephen F.
Educational and Psychological Measurement, v44 n1 p39-48 Spr 1984
The Welch-James procedure may be used to test hypothesis on means, when independent samples from populations with heterogenous variances are available. Summation formulas for the Welch-James procedure are presented for the 2x2 design. Matrix formulas that permit routine application of the procedure to crossed factorial designs are presented. (Author/DWH)
Descriptors: Analysis of Variance, Hypothesis Testing, Mathematical Formulas, Matrices, Research Design, Statistical Analysis, Statistical Significance
Publication Type: Reports - Research; Journal Articles
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Factorial Designs; Homogeneity of Variance; Welch James Procedure