316597

Simple Methods for Testing Treatment Constraints in Paired Comparisons

Article

Last updated: 05 Jan 2025

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Abstract

Two simple methods for testing hypotheses stated in terms of linear equality constraints on the treatment parameters, in paired comparisons, or their logarithms are developed. The test statistic constructed for each method can be computed more easily than the corresponding likelihood ratio statistic -2 log λ. The asymptotic chi-square distribution of each of the constructed test statistics, together with the corresponding -2 log λ, is demonstrated and its noncentrality parameter is determined under defined local alternatives. Application of developed procedures for testing hypotheses about main effects and interactions, when the treatments are factorial treatment combinations, is outlined.

DOI

10.21608/esju.1985.316597

Keywords

Asymptotic Chi-Square, Equality Constraints, Factorial Treatments, hypothesis testing, Paired Comparisons, Test Statistics

Authors

First Name

Abdalla

Last Name

El-Helbawy

MiddleName

T.

Affiliation

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Orcid

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Volume

29

Article Issue

2

Related Issue

43407

Issue Date

1985-12-01

Receive Date

2023-09-07

Publish Date

1985-12-01

Page Start

59

Page End

72

Print ISSN

0542-1748

Online ISSN

2786-0086

Link

https://esju.journals.ekb.eg/article_316597.html

Detail API

https://esju.journals.ekb.eg/service?article_code=316597

Order

3

Type

Original Article

Type Code

1,914

Publication Type

Journal

Publication Title

The Egyptian Statistical Journal

Publication Link

https://esju.journals.ekb.eg/

MainTitle

Simple Methods for Testing Treatment Constraints in Paired Comparisons

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Type

Article

Created At

28 Dec 2024