Variability of persuasive message effects

O’Keefe, Daniel J.

doi:10.1075/dd.1.2.02oke

Cited by 8 publications

(1 citation statement)

References 17 publications

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“…(For a sense of the discourse surrounding the development and justification of these procedures, see Zwahlen et al (2008) and Hedges (1986); there are many other such articles in other fields where meta-analysis has been appropriated.) The rise of meta-analysis did not just alter the way research synthesis is conducted, but also exposed facts about variability affecting the interpretation of individual studies (O'Keefe 1999).…”

Section: Technical Threads Leading To the Devicementioning

confidence: 99%

Cochrane Review as a “Warranting Device” for Reasoning About Health

Jackson

Schneider

2017

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Contemporary reasoning about health is infused with the work products of experts, and expert reasoning about health itself is an active site for invention and design. Building on Toulmin's largely undeveloped ideas on field-dependence, we argue that expert fields can develop new inference rules that, together with the backing they require, become accepted ways of drawing and defending conclusions. The new inference rules themselves function as warrants, and we introduce the term ''warranting device'' to refer to an assembly of the rule plus whatever material, procedural, and institutional resources are required to assure its dependability. We present a case study on the Cochrane Review, a new method for synthesizing evidence across large numbers of scientific studies. After reviewing the evolution and current structure of the device, we discuss the distinctive kinds of critical questions that may be raised around Cochrane Reviews, both within the expert field and beyond. Although Toulmin's theory of field-dependence is often criticized for its relativism, we find that, as a matter of practical fact, field-specific warrants do not enjoy immunity from external critique. On the contrary, they can be opened to evaluation and critique from any interested perspective.

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Section: Technical Threads Leading To the Devicementioning

confidence: 99%