Justification Explicitness and Persuasive Effect: A Meta-Analytic Review of the Effects of Varying Support Articulation in Persuasive Messages

Daniel J. O'Keefe

doi:10.1080/00028533.1998.11951621

Justification Explicitness and Persuasive Effect: A Meta-Analytic Review of the Effects of Varying Support Articulation in Persuasive Messages

Daniel J. O'Keefe^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

This meta-analytic review discusses research evidence concerning the persuasive effects of three variations in the articulation of an advocate's supporting argumentation. Greater explicitness in identification of the sources of information and in the completeness of an argument significantly enhance persuasive effectiveness and perceived credibility; greater quantitative specificity has no significant effect on these outcomes.

Original language	English (US)
Pages (from-to)	61-75
Number of pages	15
Journal	Argumentation and Advocacy
Volume	35
Issue number	2
DOIs	https://doi.org/10.1080/00028533.1998.11951621
State	Published - 1998
Externally published	Yes

ASJC Scopus subject areas

Communication

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10.1080/00028533.1998.11951621

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title = "Justification Explicitness and Persuasive Effect: A Meta-Analytic Review of the Effects of Varying Support Articulation in Persuasive Messages",

abstract = "This meta-analytic review discusses research evidence concerning the persuasive effects of three variations in the articulation of an advocate's supporting argumentation. Greater explicitness in identification of the sources of information and in the completeness of an argument significantly enhance persuasive effectiveness and perceived credibility; greater quantitative specificity has no significant effect on these outcomes.",

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year = "1998",

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Justification Explicitness and Persuasive Effect: A Meta-Analytic Review of the Effects of Varying Support Articulation in Persuasive Messages

Abstract

ASJC Scopus subject areas

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