Selecting Single Items to Measure Doubly Concrete Constructs: A Cautionary Tale

Author(s)
Marko Sarstedt, Adamantios Diamantopoulos, Thomas Salzberger, Petra Baumgartner
Abstract

Single-item measures have recently become more en vogue due to studies arguing in favor of their psychometric properties vis-à-vis multi-item scales. However, their effective use requires (1) expert raters to designate the focal construct as being doubly concrete and (2) researchers to find a good single item to represent the construct. This study examines whether expert raters identify the doubly concrete nature of constructs that prior research presents as exemplary in this respect. Furthermore, the study compares the efficacy of a broad range of selection mechanisms based on expert judgment and statistical criteria for identifying the best item in a scale. The results show that expert raters do not share the commonly held belief that researchers can validly measure constructs such as attitude toward the ad, or brand, with single items. Further analyses show that neither rater assessments nor statistical criteria prove valuable regarding identifying an appropriate single item from a set of candidate items.

Organisation(s)
Department of Accounting, Innovation and Strategy
External organisation(s)
Home Shopping Europe GmbH, Wirtschaftsuniversität Wien (WU), Otto-von-Guericke-Universität Magdeburg, University of Newcastle
Journal
Journal of Business Research
Volume
69
Pages
3159-3167
No. of pages
9
ISSN
0148-2963
DOI
https://doi.org/10.1016/j.jbusres.2015.12.004
Publication date
12-2015
Peer reviewed
Yes
Austrian Fields of Science 2012
502052 Business administration
Keywords
ASJC Scopus subject areas
Marketing
Portal url
https://ucris.univie.ac.at/portal/en/publications/selecting-single-items-to-measure-doubly-concrete-constructs-a-cautionary-tale(9f3b60cb-8d35-46e4-8694-127bd0e2e9c9).html