Comparing the “Typical Score” Across Independent Groups Based on Different Criteria for Trimming

Nonnormality and variance heterogeneity affect the validity of the traditional tests for treatment group equality (e.g. ANOVA F-test and t-test), particularly when group sizes are unequal. Adopting trimmed means instead of the usual least squares estimator has been shown to be mostly affective in c...

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Main Authors: Syed Yahaya, S.S., Othman, Prof.Madya Abdul Rahman, Keselman, H. J.
Format: Article
Language:en
Published: 2006
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Online Access:http://eprints.usm.my/3115/1/Comparing_the_%E2%80%9CTypical_Score%E2%80%9D_Across_Independent_Groups_Base.pdf
http://eprints.usm.my/3115/
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author Syed Yahaya, S.S.
Othman, Prof.Madya Abdul Rahman
Keselman, H. J.
author_facet Syed Yahaya, S.S.
Othman, Prof.Madya Abdul Rahman
Keselman, H. J.
author_sort Syed Yahaya, S.S.
building Hamzah Sendut Library
collection Institutional Repository
content_provider Universiti Sains Malaysia
content_source USM Institutional Repository
continent Asia
country Malaysia
description Nonnormality and variance heterogeneity affect the validity of the traditional tests for treatment group equality (e.g. ANOVA F-test and t-test), particularly when group sizes are unequal. Adopting trimmed means instead of the usual least squares estimator has been shown to be mostly affective in combating the deleterious effects of nonnormality.
format Article
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institution Universiti Sains Malaysia
language en
publishDate 2006
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spelling my.usm.eprints.3115 http://eprints.usm.my/3115/ Comparing the “Typical Score” Across Independent Groups Based on Different Criteria for Trimming Syed Yahaya, S.S. Othman, Prof.Madya Abdul Rahman Keselman, H. J. LC5800-5808 Distance education. Nonnormality and variance heterogeneity affect the validity of the traditional tests for treatment group equality (e.g. ANOVA F-test and t-test), particularly when group sizes are unequal. Adopting trimmed means instead of the usual least squares estimator has been shown to be mostly affective in combating the deleterious effects of nonnormality. 2006 Article NonPeerReviewed application/pdf en http://eprints.usm.my/3115/1/Comparing_the_%E2%80%9CTypical_Score%E2%80%9D_Across_Independent_Groups_Base.pdf Syed Yahaya, S.S. and Othman, Prof.Madya Abdul Rahman and Keselman, H. J. (2006) Comparing the “Typical Score” Across Independent Groups Based on Different Criteria for Trimming. Metodološki zvezki, 3 (1). pp. 49-62.
spellingShingle LC5800-5808 Distance education.
Syed Yahaya, S.S.
Othman, Prof.Madya Abdul Rahman
Keselman, H. J.
Comparing the “Typical Score” Across Independent Groups Based on Different Criteria for Trimming
title Comparing the “Typical Score” Across Independent Groups Based on Different Criteria for Trimming
title_full Comparing the “Typical Score” Across Independent Groups Based on Different Criteria for Trimming
title_fullStr Comparing the “Typical Score” Across Independent Groups Based on Different Criteria for Trimming
title_full_unstemmed Comparing the “Typical Score” Across Independent Groups Based on Different Criteria for Trimming
title_short Comparing the “Typical Score” Across Independent Groups Based on Different Criteria for Trimming
title_sort comparing the “typical score” across independent groups based on different criteria for trimming
topic LC5800-5808 Distance education.
url http://eprints.usm.my/3115/1/Comparing_the_%E2%80%9CTypical_Score%E2%80%9D_Across_Independent_Groups_Base.pdf
http://eprints.usm.my/3115/
url_provider http://eprints.usm.my/