Quantifying the Association of Self-Enhancement Bias with Self- Ratings of Personality and Life Satisfaction

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Quantifying the Association of Self-Enhancement Bias with Self- Ratings of Personality and Life Satisfaction Dieses Dokument ist eine Zweitveröffentlichung (Verlagsversion) / This is a self-archiving document (published version): Daniel Leising, Kenneth D. Locke, Elena Kurzius, Johannes Zimmermann Quantifying the Association of Self-Enhancement Bias With Self- Ratings of Personality and Life Satisfaction Erstveröffentlichung in / First published in: Assessment. 2016, 23(5), S. 588 – 602 [Zugriff am: 13.08.2019]. SAGE journals. ISSN 1552-3489. DOI: https://doi.org/10.1177/1073191115590852 Diese Version ist verfügbar / This version is available on: https://nbn-resolving.org/urn:nbn:de:bsz:14-qucosa2-354309 „Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFGgeförderten) Allianz- bzw. Nationallizenz frei zugänglich.“ This publication is openly accessible with the permission of the copyright owner. The permission is granted within a nationwide license, supported by the German Research Foundation (abbr. in German DFG). www.nationallizenzen.de/ 590852 ASMXXX10.1177/1073191115590852AssessmentLeising et al. research-article2015 Article Assessment 2016, Vol. 23(5) 588 –602 Quantifying the Association of © The Author(s) 2015 Reprints and permissions: sagepub.com/journalsPermissions.nav Self-Enhancement Bias With Self-Ratings of DOI: 10.1177/1073191115590852 Personality and Life Satisfaction asm.sagepub.com Daniel Leising1, Kenneth D. Locke2, Elena Kurzius1,3, and Johannes Zimmermann4 Abstract Kwan, John, Kenny, Bond, and Robins conceptualize self-enhancement as a favorable comparison of self-judgments with judgments of and by others. Applying a modified version of Kwan et al.’s approach to behavior observation data, we show that the resulting measure of self-enhancement bias is highly reliable, predicts self-ratings of intelligence as well as does actual intelligence, interacts with item desirability in predicting responses to questionnaire items, and also predicts general life satisfaction. Consistent with previous research, however, self-ratings of intelligence did not become more valid when controlling for self-enhancement bias. We also show that common personality scales like the Rosenberg Self-Esteem Scale reflect self-enhancement at least as strongly as do scales that were designed particularly for that purpose (i.e., “social desirability scales”). The relevance of these findings in regard to the validity and utility of social desirability scales is discussed. Keywords social desirability, self-enhancement bias, self-report, social relations model, perceiver, target, evaluation The Problem of Socially Desirable Responding determine how strongly it affects the self-report scales that are typically used in psychological research. Most studies in the field of personality research rely exclu- sively on self-report measures (Vazire, 2006). For decades, one of the reasons why this approach to personality assess- Aims of the Present Study ment has been criticized is the suspicion that people who In this study, we present an approach for measuring socially respond to questionnaires may tend to portray themselves in desirable responding that is strongly inspired by an impor- overly positive ways. More important, the extent to which tant conceptual contribution by Kwan, John, Kenny, Bond, people portray themselves in overly positive or negative and Robins (2004). Their work is presented below, along ways may differ (John & Robins, 1994). Terms like “self- with a few important methodological modifications that we enhancement/-derogation” or “socially (un-)desirable undertook in the present study. After introducing our responding” are often used when referring to such interindi- method, we investigate the characteristics of the resulting vidual differences. They denote the extent to which a person measure of socially desirable responding in several description implies a positive—or a negative—evaluation important regards, using an empirical data set. In particular, of a target person that is not justified by how the person we ask (a) whether the measure is reliable, (b) whether it “actually is,” but rather lies in the eye of the beholder. actually measures bias as opposed to “actual behavior,” (c) Socially (un-)desirable responding may be a problem in at whether it shows the properties of a moderator or least two ways: First, it may weaken the criterion validity of measures. For example, selection procedures may favor 1 targets who present themselves better over targets who Technische Universität Dresden, Dresden, Germany 2University of Idaho, Moscow, ID, USA actually “are” better. Second, it may weaken the discrimi- 3Martin-Luther-Universität Halle-Wittenberg, Halle, Germany nant validity of measures by inducing correlations that only 4Universität Kassel, Kassel, Germany reflect the shared susceptibility of different measures to the Corresponding Author: same bias, rather than actual associations between the Daniel Leising, Department of Psychology, Technische Universität targets’ traits. For these reasons, it is important to make Dresden, 01062 Dresden, Germany. socially desirable responding itself measurable, and to Email: [email protected] Leising et al. 589 suppressor variable impairing validity, (d) to what extent scales, despite being common, is still lacking empirical sup- self-reports of personality and life satisfaction are port. Other authors, however, challenged such conclusions, “contaminated” with this bias, (e) to what extent so-called presenting evidence that some of the scales devised to “lie scales” or “social desirability scales” reflect the bias assess response styles do react in predictable ways when (which they are supposed to), and (f) to what extent associa- participants are instructed to “fake good” or “fake bad” tions between the bias and self-reports of personality are (e.g., Baity, Siefert, Chambers, & Blais, 2007; Morey & moderated by the evaluativeness of the items that are used Lanier, 1998), that such effects may in fact be accompanied for assessing the latter. All of these are crucial issues that by decreases in predictor–criterion correlations (J. L. have featured in the literature on socially desirable respond- Anderson, Sellbom, Wygant, & Edens, 2013), and that in ing for decades. To foster the reader’s understanding of some instances the partialling out of lie scales does improve these issues, we will now present a brief overview of this validity (e.g., Rohling et al., 2011). The dispute has not literature, and of the major points of empirical and concep- been ultimately resolved yet, and the debate continues (e.g., tual progress therein. McGrath, Kim, & Hough, 2011; Morey, 2012). The issue is complicated by the fact that “faking” research addresses Overview of the Literature only intentional response distortions whereas socially desir- able responding may come about both intentionally and McCrae and Costa (1983; cf. Wiggins, 1973) used the terms unintentionally (Paulhus, 1984; Sackeim & Gur, 1979). In substance and style to distinguish the target’s actual charac- the present article, we will not attempt to resolve this issue, teristics (= substance) from the positive or negative presen- but rather will introduce and test a novel method of tation of those characteristics (= style). Indisputably, people measuring self-enhancement bias (SEB) that goes beyond differ in how socially desirable their actual behaviors are mere self-report. (Hofstee & Hendriks, 1998). In contrast, socially desirable Paulhus (2002) emphasized that accurately assessing responding (e.g., to a questionnaire) is a style issue: It con- the style component of a person judgment is only possible cerns the evaluative “spin” that is present in how the target’s if a measure of the target’s “true” features (= substance) is personality is presented. Most person judgments probably available. The extent to which a perceiver deviates from incorporate both substance and style. that truth in his or her description of a target would then be Early attempts at identifying persons who tend to overes- interpretable as bias. If no such criterion variable is avail- timate their virtues and underestimate their weaknesses able, the relative extent to which a measure reflects sub- used so-called “lie scales” or “social desirability scales” stance versus style has to remain unclear. Paulhus and (e.g., Crowne & Marlowe, 1960). In these scales, respon- John (1998) used judgments by their targets’ acquain- dents are presented with lists of personality features that are tances as measures of the targets’ actual personalities and either desirable but rare, or undesirable but common. Self- interpreted the residuals from linear regressions of the reports of persons who systematically endorse the first but targets’ self-ratings on these informant-ratings in terms of deny the second kind of personality features in their self- bias. In the present study, we use a similar approach (see descriptions are identified as biased because such response below). patterns are considered “too good to be true.” Lie scales are Important conceptual progress was also made with a supposed to capture style, but not substance. If this was paper by Kwan et al. (2004), who pointed out that overly what they did, then using a lie scale as a covariate should positive (or negative) self-descriptions may reflect either of improve the correlation between self-ratings and criterion two comparisons: First, the targets’ self-ratings may be variables (e.g., other-ratings), because then the targets’ ten- more (or less) positive or negative than the same targets’ dencies
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