The Interpersonal Competitiveness (IC)<\/strong> scale is an influential psychometric instrument designed to evaluate an individual’s dispositional drive to outperform others, secure victory, and assert superiority in comparative interpersonal scenarios. Originally formulated by psychometrician<\/a> Charlene A. Griffin-Pierson (1990) as a foundational subscale of the multidimensional Competitiveness Questionnaire (CQ), the 8-item Interpersonal Competitiveness measure was subsequently adapted and validated by Eugene Chan and Barbara Briers (2019) in experimental consumer psychology and behavioral decision-making contexts. The instrument assesses a distinct psychological construct characterized by a zero-sum, other-referenced orientation toward achievement, cleanly demarcated from mastery-oriented or self-referenced strivings (often operationalized as goal competitiveness). Comprising eight self-report items evaluated on a 5-point Likert scale<\/a> ranging from 1 (Strongly disagree) to 5 (Strongly agree), the instrument demonstrates robust psychometric properties across diverse populations. Confirmatory factor analytic investigations consistently confirm the unidimensionality of the 8-item structure, yielding excellent fit indices (e.g., Comparative Fit Index > .95; Root Mean Square Error of Approximation < .06) and solid internal consistency reliability coefficients (Cronbach’s α typically ranging between .76 and .86). Extensive construct, convergent, discriminant, and criterion-related validity studies substantiate the scale’s capacity to predict real-world behavioral outcomes, such as performance decrements or surges under social comparison, competitive consumer choices, negotiation aggression, and status-seeking consumption. This comprehensive article provides an exhaustive psychometric examination of the Interpersonal Competitiveness scale, detailing its theoretical foundation, structural validity, empirical applications, scoring protocols, and full authentic item inventory<\/span>.<\/p>\n Interpersonal Competitiveness, Competitiveness Questionnaire, social comparison, achievement motivation, ego orientation, psychometrics, trait competitiveness, zero-sum mindset, Chan and Briers, Griffin-Pierson<\/p>\n The Interpersonal Competitiveness (IC) scale traces its origins to the psychometric work of Charlene A. Griffin-Pierson<\/strong>, who developed the overarching Competitiveness Questionnaire during her tenure at the University of Florida and subsequent academic appointments in educational psychology. Griffin-Pierson (1990) sought to disentangle the conflated dimensions of competitiveness, separating personal mastery from interpersonal triumph.<\/p>\n The 8-item standalone Interpersonal Competitiveness scale gained renewed prominence and contemporary validation through the empirical investigations of Eugene Y. Chan<\/strong> and Barbara Briers<\/strong>:<\/p>\n In their seminal 2019 investigation published in the Journal of Consumer Research<\/em>, Chan and Briers isolated Griffin-Pierson’s 8-item Interpersonal Competitiveness subscale to examine how individual differences in interpersonal competitive desire moderate responses to social comparison benchmarks during goal-directed tasks.<\/p>\n The primary purpose of the Interpersonal Competitiveness (IC) scale is to measure an individual’s chronic psychological motivation to win against others, establish personal dominance, and evaluate self-worth through comparative superiority. While competitiveness is frequently conceptualized as a monolithic trait, psychometric advances have revealed that individuals pursue success through fundamentally disparate motivational vectors. Some individuals strive against objective standards of excellence or personal past performance, whereas others are predominantly motivated by the relative subjugation or outperforming of peers.<\/p>\n The IC scale was explicitly engineered to capture this latter dynamic. In research settings, the instrument fulfills several critical purposes:<\/p>\n From a theoretical perspective, the rationale behind the scale lies in recognizing that winning in competitive contexts entails unique emotional, cognitive, and interpersonal costs and benefits. Individuals high in interpersonal competitiveness do not merely view games, workplace projects, or academic assessments as opportunities to build competence; they view them as social arenas wherein rank ordering directly informs their self-concept. Measuring this disposition with brevity and psychometric precision enables researchers to control for or directly test the moderating effects of interpersonal rivalry across diverse behavioral domains.<\/p>\n The construct of Interpersonal Competitiveness<\/strong> is defined as a stable, dispositional trait reflecting the desire to perform better than others, win in interpersonal contests, and validate one’s competence via social comparison. To comprehend the depth of this construct, it is necessary to contrast it with related but fundamentally divergent psychological dimensions.<\/p>\n In Griffin-Pierson’s (1990) theoretical formulation, competitiveness bifurcates into two distinct constructs:<\/p>\n The psychological construct of interpersonal competitiveness spans cognitive appraisals, affective responses, and behavioral strategies:<\/p>\n The Interpersonal Competitiveness scale is anchored at the intersection of several foundational psychological paradigms, notably Social Comparison Theory<\/a>, Achievement Goal Theory<\/a>, and Self-Determination Theory<\/a>.<\/p>\n Leon Festinger (1954) posited that human beings possess an innate drive to evaluate their opinions and abilities. In the absence of physical, non-social standards, individuals evaluate their capabilities by comparing themselves with others. Festinger identified a unidirectional upward drive for abilities, indicating that people generally prefer to perform slightly better than their comparison targets. Griffin-Pierson operationalized interpersonal competitiveness as the intensified, chronification of this upward social comparison drive. For individuals elevated on this trait, social comparison is not merely an informational heuristic used to reduce uncertainty; it is an affective imperative used to construct and defend social dominance.<\/p>\n Within educational and developmental psychology, researchers such as John Nicholls (1984), Carol Dweck (1986), and Andrew Elliot (1999) conceptualized achievement motivation along two major trajectories: task\/mastery orientation<\/em> and ego\/performance orientation<\/em>. Interpersonal competitiveness represents an operational manifestation of an ego-approach orientation<\/strong>. In this framework, competence is normatively referenced. Success is defined as demonstrating superior normative ability, whereas failure is defined as demonstrating inferior ability. The IC scale items directly reflect an ego-involved mindset where task engagement is secondary to interpersonal supremacy.<\/p>\n Viewed through the lens of Deci and Ryan’s (1985, 2000) Self-Determination Theory, interpersonal competitiveness represents a predominantly extrinsic, introjected, or ego-involved<\/em> motivational dynamic. While high-IC individuals may display intense energy and behavioral vigor, their perceived locus of causality is externally referenced — reliant upon outperforming others rather than experiencing autonomous, intrinsic enjoyment of the activity. Consequently, when outperforming others becomes impossible (e.g., confronting an unbeatable opponent), high-IC individuals may experience severe motivational collapses, self-handicapping, or disengagement, a phenomenon empirically illuminated by Chan and Briers (2019).<\/p>\n The Interpersonal Competitiveness scale has undergone rigorous empirical validation across multiple psychometric studies, establishing strong construct, convergent, discriminant, and criterion-related validity.<\/p>\n Griffin-Pierson (1990) established the foundational construct validity of the Competitiveness Questionnaire across a developmental sample of undergraduate students and adult community members. Exploratory factor analyses consistently revealed a clear bifurcation between the Goal Competitiveness and Interpersonal Competitiveness dimensions, demonstrating that the two orientations represent distinct underlying psychological constructs rather than opposite poles of a single spectrum.<\/p>\n In their validation with 326 U.S. participants recruited via Amazon Mechanical Turk (MTurk), Chan and Briers (2019) subjected the 8-item Interpersonal Competitiveness subscale to structural evaluation. The unidimensional model exhibited exceptional goodness-of-fit, confirming that the eight items converge onto a single underlying latent construct representing interpersonal competitive drive.<\/p>\n The IC scale correlates significantly and positively with established measures of related constructs:<\/p>\n Crucially, the IC scale demonstrates sharp discriminant validity against constructs with which it should theoretically diverge:<\/p>\n The operational power of the IC scale is demonstrated by its predictive utility in behavioral experiments. In Chan and Briers’ (2019) research, scores on the IC scale directly moderated how participants responded to competitive cues. Specifically, when high-IC participants observed that a competitor had nearly reached a target goal, their motivation to continue pursuing their own goal declined precipitously if they perceived that winning was no longer attainable — confirming that their underlying drive was interpersonal victory rather than goal realization. In contrast, low-IC participants maintained persistent effort regardless of the competitor’s proximity to completion.<\/p>\n The Interpersonal Competitiveness scale demonstrates consistent reliability metrics across diverse empirical investigations and demographic groups.<\/p>\n Across published administrations, the 8-item instrument yields acceptable-to-high internal consistency coefficients:<\/p>\n Temporal stability assessments conducted over longitudinal intervals indicate that interpersonal competitiveness functions as an enduring personality disposition. Griffin-Pierson (1990) documented a four-week test-retest reliability coefficient of $r_{tt} = .81$<\/span> ($p < .001$<\/span>). Follow-up longitudinal research assessing test-retest reliability across an eight-week interval yielded stability coefficients of $r_{tt} = .75$<\/span>, demonstrating that the scale captures enduring dispositional variance rather than transient state-dependent fluctuations.<\/p>\n The factor structure of the Interpersonal Competitiveness scale has been scrutinized via both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA).<\/p>\n In the original structural isolation of the items from the broader Competitiveness Questionnaire, Griffin-Pierson (1990) executed principal components and common factor analyses with varimax and oblique rotations. The analysis consistently extracted two distinct factors possessing eigenvalues greater than 1.0 (Kaiser criterion) and confirmed by scree test inflection:<\/p>\n The 8 items comprising the IC subscale exhibited primary factor loadings ranging from $.48$<\/span> to $.79$<\/span>, with cross-loadings onto the goal dimension remaining consistently below $.25$<\/span>.<\/p>\n Chan and Briers (2019) conducted a Confirmatory Factor Analysis on the 8-item standalone scale utilizing maximum likelihood estimation. The hypothesized unidimensional model revealed excellent fit indices, outperforming alternative models:<\/p>\n The Interpersonal Competitiveness (IC) scale is structured as follows:<\/p>\n The Competitiveness Questionnaire and its constituent Interpersonal Competitiveness subscale were originally introduced by Charlene A. Griffin-Pierson in 1990<\/strong>. The 8-item standalone subscale application was further operationalized by Eugene Chan and Barbara Briers in 2019<\/strong>.<\/p>\n Licensing and Usage:<\/strong> The scale is considered open-access for non-commercial academic and educational research under fair use doctrine, provided appropriate academic citation is accorded to the original psychometric source (Griffin-Pierson, 1990) and subsequent operational validation (Chan & Briers, 2019). No commercial licensing fee is required for non-profit scholarly investigations. Organizations or commercial testing entities seeking to utilize the scale for commercial diagnostics, hiring, or monetization should consult relevant copyright holders and journal publishers.<\/p>\n Response Scale:<\/strong> 5-point Likert scale (1 = Strongly disagree, 5 = Strongly agree)<\/span><\/p>\n Instructions:<\/strong> Please indicate the extent to which you agree or disagree with each of the following statements using the scale provided.<\/p>\n The Interpersonal Competitiveness (IC) scale is an 8-item psychometric measure adapted from Griffin-Pierson (1990) by Chan and Briers (2019) to evaluate individual motivation to outperform others and win in competitive situations.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","categories":[2251,858,79],"tags":[1222,11276,11274,11275,11277,11273,6,35,1679],"class_list":["post-3032","psych_scale","type-psych_scale","status-publish","hentry","category-motivation-emotion","category-personality-assessment","category-social-psychology","tag-achievement-motivation","tag-chan-and-briers","tag-competitiveness-questionnaire","tag-ego-orientation","tag-griffin-pierson","tag-interpersonal-competitiveness","tag-psychometrics","tag-scale-validation","tag-social-comparison"],"_links":{"self":[{"href":"https:\/\/ashadocs.org\/index.php?rest_route=\/wp\/v2\/psych_scale\/3032","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ashadocs.org\/index.php?rest_route=\/wp\/v2\/psych_scale"}],"about":[{"href":"https:\/\/ashadocs.org\/index.php?rest_route=\/wp\/v2\/types\/psych_scale"}],"author":[{"embeddable":true,"href":"https:\/\/ashadocs.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ashadocs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3032"}],"version-history":[{"count":0,"href":"https:\/\/ashadocs.org\/index.php?rest_route=\/wp\/v2\/psych_scale\/3032\/revisions"}],"wp:attachment":[{"href":"https:\/\/ashadocs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ashadocs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ashadocs.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Keywords<\/h2>\n
Authors<\/h2>\n
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Purpose<\/h2>\n
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Psychological Construct<\/h2>\n
Interpersonal vs. Goal Competitiveness<\/h3>\n
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Cognitive, Affective, and Behavioral Dimensions<\/h3>\n
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Theoretical Framework<\/h2>\n
Social Comparison Theory<\/h3>\n
Achievement Goal Theory<\/h3>\n
Self-Determination Theory (SDT)<\/h3>\n
Validity<\/h2>\n
Construct and Factorial Validity<\/h3>\n
Convergent Validity<\/h3>\n
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Discriminant Validity<\/h3>\n
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Criterion and Predictive Validity<\/h3>\n
Reliability<\/h2>\n
Internal Consistency<\/h3>\n
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Test-Retest Stability<\/h3>\n
Factor Analysis<\/h2>\n
Exploratory Factor Analysis (EFA)<\/h3>\n
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Confirmatory Factor Analysis (CFA)<\/h3>\n
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Instrument \/ Measurement Tool<\/h2>\n
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Permissions & Fee and Test Year<\/h2>\n
References<\/h2>\n
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Items of the Scale<\/h2>\n
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