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Multivariate Analysis	2
Sample Size	2
Simulation	2
Analysis of Covariance	1
Analysis of Variance	1
Comparative Analysis	1
Equations (Mathematics)	1
Error of Measurement	1
Group Membership	1
Hypothesis Testing	1
Matrices	1
Performance	1
Robustness (Statistics)	1
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Statistical Studies	1
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Journal of Educational and…	1
Multivariate Behavioral…	1

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Algina, James	2
Coombs, William T.	1
Tang, K. Linda	1

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On Sample Size Requirements for Johansen's Test.

Peer reviewed

Coombs, William T.; Algina, James – Journal of Educational and Behavioral Statistics, 1996

Type I error rates for the Johansen test were estimated using simulated data for a variety of conditions. Results indicate that Type I error rates for the Johansen test depend heavily on the number of groups and the ratio of the smallest sample size to the number of dependent variables. Sample size guidelines are presented. (SLD)

Descriptors: Group Membership, Hypothesis Testing, Multivariate Analysis, Robustness (Statistics)

Performance of Four Multivariate Tests under Variance-Covariance Heteroscedasticity.

Peer reviewed

Tang, K. Linda; Algina, James – Multivariate Behavioral Research, 1993

Type I error rates of four multivariate tests (Pilai-Bartlett trace, Johansen's test, James' first-order test, and James' second-order test) were compared for heterogeneous covariance matrices in 360 simulated experiments. The superior performance of Johansen's test and James' second-order test is discussed. (SLD)

Descriptors: Analysis of Covariance, Analysis of Variance, Comparative Analysis, Equations (Mathematics)