METHODS FOR TESTING DISCRIMINANT VALIDITY

Adriana Zaiţ

387 citations0/0 files storedRePEc: Research Papers in Economics

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Psychometric Methodologies and Testing Statistical Methods and Applications Q Methodology Applications

Abstract

The study presents three methods which can be used to assess discriminant validity for multi-item scales. Q-sorting is presented as a method that can be used in early stages of research, being more exploratory, while the chi-square difference test and the average variance extracted analysis are recommended for the confirmatory stages of research. The paper describes briefly the three methods and presents evidence from two surveys that aimed to develop a scale for measuring perceived risk in e-commerce.

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1989Perceived Usefulness, Perceived Ease of Use, and User Acceptance of Information Technology 2003Predicting e-services adoption: a perceived risk facets perspective 2004Validation Guidelines for IS Positivist Research 1999Consumer perceived risk: conceptualisations and models 1971Consumer Rankings of Risk Reduction Methods 1972The Components of Perceived Risk 1997Assessing the unidimensionality of measurement: a paradigm and illustration within the context of information systems research 2006Development of a scale to measure the perceived benefits and risks of online shopping

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