Universität zu Köln

Wolff, Hans-Georg ORCID: 0000-0002-6945-2764 and Goeritz, Anja S. (2022). The day-of-invitation effect on participation in web-based studies. Behav. Res. Methods, 54. pp. 1841-1853. NEW YORK: SPRINGER. ISSN 1554-3528

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Abstract

Several methods have been proposed to promote participation in web-based research. Here, we examine a technique that is available at no cost: Inviting respondents per e-mail on a particular day of the week. We base our reasoning on such a day-of-invitation effect upon theories on variations in mood and work performance over the week. We conducted five experiments with large and heterogeneous samples to find out whether such effects apply for response rate (i.e., visiting the first page of a study) and retention rate (i.e., completing the study) in web-based studies. We found evidence of a small but significant day-of-invitation effect. Response rate is high at the beginning of the workweek and falls to a low on Friday. Exploratory analyses showed that this decline is higher for employed (vs. nonemployed) persons. Effects on retention rate appear to follow a less straightforward pattern. We discuss possible mechanisms that might account for the day-of-invitation effect and recommend inviting participants on Monday or Tuesday.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Wolff, Hans-Georg UNSPECIFIED orcid.org/0000-0002-6945-2764 UNSPECIFIED Goeritz, Anja S. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-572882
DOI:	10.3758/s13428-021-01716-0
Journal or Publication Title:	Behav. Res. Methods
Volume:	54
Page Range:	pp. 1841-1853
Date:	2022
Publisher:	SPRINGER
Place of Publication:	NEW YORK
ISSN:	1554-3528
Language:	English
Faculty:	Faculty of Human Sciences
Divisions:	Faculty of Human Sciences > Department Psychologie
Subjects:	Psychology
Uncontrolled Keywords:	Keywords Language LONGITUDINAL DATA; POSITIVE MOOD; TIME; FLUCTUATIONS; INCENTIVES; COMPETENCE; AUTONOMY; EVENTS; TRENDS; US Multiple languages Psychology, Mathematical; Psychology, Experimental Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/57288