Methods and Problems in the Analysis of Multivariate Data

Pruzek, Robert M.

doi:10.3102/00346543041003163

Cited by 12 publications

(1 citation statement)

References 36 publications

(28 reference statements)

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“…Second, a range of values for the correlations among dependent variables appropriate for use of MANOVA are included in this study. Correlations near zero obliterate the need for multivariate analysis, while correlations that are quite large encourage researchers to combine variables (Pruzek, 1971). Note that both positive and negative correlations are included in the study to provide for a more complete assessment of the impact of the response correlation.…”

Section: Methodsmentioning

confidence: 99%

Comparing the Performance of Multivariate Multilevel Modeling to Traditional Analyses With Complete and Incomplete Data

et al. 2015

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Abstract. A multivariate multilevel model (MVMM) extends standard multilevel modeling by including multiple dependent variables and thus could be used in place of traditional multivariate analyses. For a two-group study with two correlated dependent variables, a simulation study was conducted to compare the performance of MVMM to traditional MANOVA and a series of univariate analyses. The results showed that MVMM provides for virtually always greater power than other analyses, even for conditions that have been previously shown to favor univariate analysis. Further, this power advantage can be substantial even when no missing data are present and is often much greater when data are missing. While the Type I error rate for the overall multivariate null hypothesis can be somewhat elevated with MVMM, especially with small sample size and a large proportion of missing data, the Type I error rate for the test of a specific dependent variable is accurate.

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Section: Methodsmentioning

confidence: 99%

Comparing the Performance of Multivariate Multilevel Modeling to Traditional Analyses With Complete and Incomplete Data

et al. 2015

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Behavioral Effects of Reducing the Daily Frequency of Phenothiazine Administration

Callahan¹

1975

Arch Gen Psychiatry

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An Evaluation of the Feasibility of Confidence Testing as a Diagnostic Aid in Technical Training

Echternacht

Sellman²,

Boldt

et al. 1971

ETS Research Bulletin Series

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This report describes a study to determine the feasibility and the cost‐effectiveness of using confidence testing as a diagnostic aid in technical training programs. Two types of confidence testing, Pick‐One and Distribute 100 Points, were developed for comparison to conventional multiple‐choice testing. The study was carried out in two technical training courses, Aerospace Ground Equipment Repairman (AGE) and Jet Engine Mechanic (JEM), currently being taught at Chanute Air Force Base, Illinois. The criteria for feasibility included end of block examination grades, number of student remediational sessions, and both student and instructor attitudes. In addition, the relationship of various personality variables to confidence test scores was examined for both types of confidence testing. The major finding was that while scoring was somewhat more time consuming, end of block examination grades improved slightly and the number of remediations required declined slightly when either confidence testing method was employed. Other areas of investigation produced essentially null results.

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Methods and Problems in the Analysis of Multivariate Data

Cited by 12 publications

References 36 publications

Comparing the Performance of Multivariate Multilevel Modeling to Traditional Analyses With Complete and Incomplete Data

Comparing the Performance of Multivariate Multilevel Modeling to Traditional Analyses With Complete and Incomplete Data

Behavioral Effects of Reducing the Daily Frequency of Phenothiazine Administration

An Evaluation of the Feasibility of Confidence Testing as a Diagnostic Aid in Technical Training

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