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Article
Publication date: 4 July 2016

Justin Marcus, Barbara Ann Fritzsche, Huy Le and Michael Dennis Reeves

– The purpose of this paper is to focus on developing and validating a multidimensional measure of work-related age-based stereotypes (WAS) scale.

Abstract

Purpose

The purpose of this paper is to focus on developing and validating a multidimensional measure of work-related age-based stereotypes (WAS) scale.

Design/methodology/approach

Based upon a review of the literature, a three-dimensional stereotype content model including both negative (incompetence, inadaptability) and positive (warmth) stereotypes of older workers was created. Construct, convergent, discriminant, and criterion-related validity for the WAS scale were examined across three independent samples constituting both lab-based experimental studies and a field-based survey (total n=1,245).

Findings

Across all samples, the WAS evidenced good construct, convergent, discriminant, and criterion-related validity.

Originality/value

As evidenced by a review of the literature, the WAS is unique in that it measures both negative and positive stereotypes of older workers. Implications for research are discussed.

Details

Journal of Managerial Psychology, vol. 31 no. 5
Type: Research Article
ISSN: 0268-3946

Keywords

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Article
Publication date: 25 May 2012

Vishwanath V. Baba and Farimah HakemZadeh

The purpose of this paper is to integrate existing body of knowledge on evidence‐based management, develop a theory of evidence, and propose a model of evidence‐based…

Abstract

Purpose

The purpose of this paper is to integrate existing body of knowledge on evidence‐based management, develop a theory of evidence, and propose a model of evidence‐based decision making.

Design/methodology/approach

Following a literature review, the paper takes a conceptual approach toward developing a theory of evidence and a process model of decision making. Formal research propositions amplify both theory and model.

Findings

The paper suggests that decision making is at the heart of management practice. It underscores the importance of both research and experiential evidence for making professionally sound managerial decisions. It argues that the strength of evidence is a function of its rigor and relevance manifested by methodological fit, relevance to the context, transparency of its findings, replicability of the evidence, and the degree of consensus within the decision community. A multi‐stage mixed level model of evidence‐based decision making is proposed with suggestions for future research.

Practical implications

An explicit, formal, and systematic collaboration at the global level among the producers of evidence and its users akin to the Cochrane Collaboration will ensure sound evidence, contribute to decision quality, and enable professionalization of management practice.

Originality/value

The unique value contribution of this paper comes from a critical review of the evidence‐based management literature, the articulation of a formal theory of evidence, and the development of a model for decision making driven by the theory of evidence.

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