Nonequivalence of on-line and paper-and-pencil psychological tests: the case of the prospective memory questionnaire

Buchanan, Tom, Ali, Tarick, Heffernan, Thomas M., Ling, Jonathan, Parrott, Andrew C., Rodgers, Jacqui and Scholey, Andrew B. (2005) Nonequivalence of on-line and paper-and-pencil psychological tests: the case of the prospective memory questionnaire. Behavior Research Methods, 37 (1). pp. 148-154. ISSN 1554-351X

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Abstract

There is growing evidence that Internet-mediated psychological tests can have satisfactory psychometric properties and can measure the same constructs as traditional versions. However, equivalence cannot be taken for granted. The prospective memory questionnaire (PMQ; Hannon, Adams, Harrington, Fries-Dias, & Gibson, 1995) was used in an on-line study exploring links between drug use and memory (Rodgers et al., 2003). The PMQ has four factor-analytically derived subscales. In a large (N = 763) sample tested via the Internet, only two factors could be recovered; the other two subscales were essentially meaningless. This demonstration of nonequivalence underlines the importance of on-line test validation. Without examination of its psychometric properties, one cannot be sure that a test administered via the Internet actually measures the intended construct.

Item Type: Article
Additional Information: Online ISSN 1554-3528
Subjects: University of Westminster > Social Sciences and Humanities
Depositing User: Miss Nina Watts
Date Deposited: 01 Jun 2006
Last Modified: 04 Nov 2009 14:47
URI: http://westminsterresearch.wmin.ac.uk/id/eprint/1712

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