The Circumplex Scales of Interpersonal Efficacy (CSIE)<\/strong> is a standardized 32-item psychometric instrument developed by Kenneth D. Locke<\/a> and Pamela Sadler to bridge the structural taxonomy of the Interpersonal Circumplex (IPC)<\/a> with Albert Bandura<\/a>‘s social-cognitive theory<\/a> of self-efficacy<\/a>. The instrument systematically evaluates an individual's subjective confidence in their capacity to execute specific interpersonal behaviors across the full two-dimensional geometric space defined by the primary orthogonal axes of Agency<\/em> (dominance versus submissiveness) and Communion<\/em> (warmth versus coldness). Composed of eight distinct 4-item octant scales\u2014Dominant (PA), Arrogant\/Competitive (BC), Cold\/Detached (DE), Socially Avoidant\/Insecure (FG), Submissive (HI), Accommodating (JK), Warm\/Affiliative (LM), and Gregarious\/Expressive (NO)\u2014the CSIE assesses efficacy expectancies using an 11-point continuous rating format ranging from 0 ("I am not at all confident that…"<\/em>) to 10 ("I am absolutely confident that…"<\/em>). Extensive psychometric evaluations demonstrate that the CSIE exhibits robust circular structural properties conforming to rigorous circumplex criteria via circular stochastic process and structural equation modeling. The instrument achieves high internal consistency across all eight octants (Cronbach's alphas typically spanning .75 to .88) and demonstrates divergent, convergent, and predictive validity in relation to interpersonal problems, subjective interpersonal values, attachment styles, and behavioral complementarity in dyadic interactions. This comprehensive assessment tool serves vital empirical and diagnostic roles in social psychology, personality assessment, clinical case conceptualization, and psychotherapy research.<\/p>\n Circumplex Scales of Interpersonal Efficacy, CSIE, Interpersonal Circumplex, Self-Efficacy, Agency and Communion, Interpersonal Theory, Social-Cognitive Theory, Dyadic Interaction, Structural Equation Modeling, Circular Stochastic Process, Kenneth D. Locke, Interpersonal Assessment.<\/p>\n The Circumplex Scales of Interpersonal Efficacy was conceptualized and developed by Kenneth D. Locke, Ph.D.<\/strong>, Professor of Psychology at the University of Idaho<\/a>, in collaboration with Pamela Sadler, Ph.D.<\/strong>, Professor of Psychology at Wilfrid Laurier University<\/a>. Dr. Locke is an internationally recognized expert in interpersonal psychology, social comparison, and the psychometric operationalization of circumplex models. Correspondence regarding the original validation studies and psychometric research on the instrument may be directed to Kenneth D. Locke, Department of Psychology and Communication, University of Idaho, Moscow, ID 83844, USA (Email: klocke@uidaho.edu<\/a>).<\/p>\n The primary purpose of the Circumplex Scales of Interpersonal Efficacy (CSIE) is to quantify an individual's subjective conviction that they can successfully enact a wide array of specific behavioral styles during social interactions. Historically, interpersonal personality psychology focused predominantly on observable behavioral traits, dispositions, or distress\u2014as measured by established circumplex inventories such as the Inventory of Interpersonal Problems (IIP)<\/a> or the Interpersonal Adjective Scales (IAS). Conversely, Bandura's social-cognitive tradition established that individuals do not navigate social environments merely based on habitual motor habits; rather, behavior is heavily governed by efficacy expectancies<\/em>\u2014the subjective appraisal of one's execution capability under diverse conditions. The CSIE was intentionally engineered to synthesize these two theoretical paradigms into a single, structurally rigorous assessment tool.<\/p>\n From an applied clinical perspective, the CSIE addresses a critical diagnostic blind spot. Individuals presenting for psychotherapy often exhibit marked discrepancies between their interpersonal desires (values), their perceived capabilities (efficacy), and their symptomatic difficulties (problems). For example, a patient presenting with social anxiety disorder<\/a> may desperately value communal warmth (high LM values) but maintain profound efficacy deficits regarding agency (low PA\/NO efficacy) or an inability to tolerate conflict (low BC efficacy). By mapping self-efficacy across all eight circumplex sectors, clinicians can precisely identify whether social avoidance is maintained by an inability to assert dominance, a perceived inability to resist exploitation, or an inability to initiate affiliation. Consequently, the CSIE serves as an invaluable clinical baseline for cognitive-behavioral therapy, assertiveness training, and contemporary interpersonal reconstructive therapies.<\/p>\n In empirical research, the CSIE provides a standardized metric for investigating dyadic interaction dynamics, behavioral complementarity, and systemic behavioral coordination. In social psychology and industrial-organizational contexts, the instrument illuminates how asymmetric efficacy beliefs influence leadership emergence, team negotiation tactics, and conflict resolution trajectories. Because it measures confidence rather than absolute behavioral frequency, researchers can disaggregate motivational intent from behavioral execution competence in laboratory-based or unscripted naturalistic dyadic protocols.<\/p>\n The psychological construct evaluated by the CSIE is interpersonal self-efficacy<\/em>, operationalized as an individual's domain-specific appraisal of their ability to execute behaviors defined by the orthogonal coordinates of the interpersonal circumplex. The interpersonal circumplex represents social behavior around a geometric circle defined by two fundamental axes: the vertical axis of Agency<\/strong> (Dominance vs. Submissiveness, or Control vs. Yielding) and the horizontal axis of Communion<\/strong> (Warmth\/Affiliation vs. Coldness\/Disaffiliation). The 32 items of the CSIE coalesce into eight distinct octants spaced at 45-degree intervals, each reflecting a specific configuration of agency and communion:<\/p>\n The CSIE is grounded in the theoretical integration of two major traditions in personality and clinical psychology: Interpersonal Theory<\/em> and Social-Cognitive Theory<\/em>.<\/p>\n Interpersonal theory, originating in the seminal clinical writings of Harry Stack Sullivan<\/a> and formalized psychometrically by Timothy Leary<\/a> and the Kaiser Foundation research group, posits that personality manifests most clearly in transactional configurations between individuals. Leary (1957) demonstrated that interpersonal dispositions arrange systematically around a circular continuum. Decades of subsequent psychometric refining by Jerry Wiggins, Leonard Horowitz, and Michael Pincus established that interpersonal traits, problems, values, and sensitivities conform to a circular bivariate space organized by the orthogonal meta-constructs of Agency (status, control, mastery) and Communion (solidarity, love, belonging).<\/p>\n According to interpersonal complementarity theory (Carson, 1969; Kiesler, 1983; Sadler et al., 2011), human interactions follow predictable reciprocal dynamics: agency pulls for reciprocity (dominance elicits submission; submission elicits dominance), whereas communion pulls for correspondence (warmth invites warmth; hostility invites hostility). To function adaptively, individuals must possess flexible access to a broad repertoire of behaviors across all octants of the circumplex. A structural circumplex implies that the relationship between any two scales is a decreasing monotonic function of their geometric angular separation: adjacent scales ($45^circ$<\/span>) correlate strongly positively, orthogonal scales ($90^circ$<\/span>) correlate near zero, and opposing scales ($180^circ$<\/span>) correlate strongly negatively.<\/p>\n Bandura's (1977, 1997) social-cognitive theory posits that psychological functioning is mediated through reciprocal determinism involving cognitive structures, behavioral enactments, and environmental influences. A cornerstone of this architecture is self-efficacy<\/em>\u2014the belief in one's capabilities to organize and execute courses of action required to manage prospective situations. Self-efficacy beliefs influence whether individuals initiate coping behaviors, how much effort they expend, and how long they persist in the face of obstacles.<\/p>\n Locke and Sadler (2007) recognized that existing circumplex inventories almost exclusively evaluated habitual traits (e.g., "I am forceful") or interpersonal distress (e.g., "It is hard for me to say no"). Such scales conflate performance deficits with motivational values or inhibitory distress. By explicitly phrasing items around Bandura's "can do" paradigm ("I can…") coupled with an explicit, graded certainty scale, the CSIE isolates subjective efficacy expectancies. This integration enables researchers to explore how an individual's perceived efficacy across the circumplex coordinates directly governs their real-time responses to a partner's interpersonal pulls during live, unscripted dyadic exchanges.<\/p>\n Empirical validation of the CSIE has established high levels of construct, convergent, discriminant, and predictive validity across multiple clinical and non-clinical samples.<\/p>\n Construct validity in circumplex methodology requires verifying that empirical intercorrelations among the eight octants conform to a circumplex correlation matrix\u2014specifically, a Toeplitz circulant matrix<\/a> where correlation coefficients decrease systematically as angular distance increases from $0^circ$<\/span> to $180^circ$<\/span>. Using Hubert's randomization test of circular order and structural covariance modeling via Browne's circular stochastic process criteria, Locke and Sadler (2007) confirmed that the 32 items consistently achieve circular order without dimensional distortions across diverse cohorts. The two extracted principal components systematically represent the Agency and Communion axes, accounting for the vast majority of the shared variance among the eight octants.<\/p>\n Convergent validity has been evaluated extensively against established interpersonal instruments:<\/p>\n In behavioral studies involving unscripted, laboratory dyadic interactions between strangers (Locke & Sadler, 2007), CSIE scores successfully predicted real-time interactional dynamics. Individuals with elevated PA (Dominant) efficacy reliably displayed higher levels of nonverbal and verbal assertive behaviors, dominated speaking time, and successfully engaged in complementary dominance-submission negotiations. Furthermore, dyadic satisfaction was significantly higher when participants possessed balanced interpersonal efficacy profiles, allowing them to adapt dynamically to their partners' conversational shifts rather than remaining locked in rigid, maladaptive behavioral patterns.<\/p>\n The psychometric evaluation of the CSIE indicates strong internal consistency and temporal stability across diverse populations, including undergraduate cohorts, community adults, and clinical samples.<\/p>\n Despite each octant subscale containing only four items\u2014a design choice prioritizing brevity and circumplex efficiency\u2014the internal consistency coefficients (Cronbach's alpha<\/a>) across the eight scales demonstrate high reliability. In the foundational validation studies by Locke and Sadler (2007), the alpha coefficients observed were:<\/p>\n Composite structural reliability for the orthogonal vector scores\u2014Interpersonal Agency ($DOM$<\/span>) and Interpersonal Communion ($LOV$<\/span>)\u2014regularly exceeds $\\alpha = .88$<\/span>, reflecting exceptional measurement precision for bivariate profile analyses.<\/p>\n Test-retest reliability assessments conducted across intervals ranging from two to eight weeks have yielded stability coefficients ($r_{tt}$<\/span>) between $.72$<\/span> and $.84$<\/span> across the eight octant subscales. The primary axis dimensions ($DOM$<\/span> and $LOV$<\/span>) demonstrate stability coefficients exceeding $.85$<\/span>. This confirms that while the CSIE is sensitive to psychological interventions (such as targeted assertiveness or communication training), it functions as a highly stable, trait-like cognitive-affective index under baseline conditions.<\/p>\n Because the CSIE is explicitly predicated on a geometric circular model, standard linear exploratory factor analysis (EFA) or simple independent-cluster confirmatory factor analysis (CFA) are methodologically insufficient. Circumplex instruments require structural evaluation through specialized circular modeling and circular stochastic confirmatory analyses.<\/p>\n When subjected to unrotated principal components analysis (PCA)<\/a>, the 32 items of the CSIE reliably demonstrate a prominent two-component structure following the extraction of a general elevation factor (which captures an individual's overall sense of interpersonal confidence across all domains). After controlling for general elevation, the first two principal components account for roughly 60% to 70% of the remaining common variance. When the eight octant scale loadings on these two components are plotted in two-dimensional Cartesian space, the octants distribute evenly in a circular pattern around the origin in the exact theoretical order predicted by circumplex theory: PA ($90^circ$<\/span>), BC ($135^circ$<\/span>), DE ($180^circ$<\/span>), FG ($225^circ$<\/span>), HI ($270^circ$<\/span>), JK ($315^circ$<\/span>), LM ($0^circ \/ 360^circ$<\/span>), and NO ($45^circ$<\/span>).<\/p>\n To statistically evaluate circular fit, Locke and Sadler utilized the structural equation modeling procedures developed by Michael Browne (1992) for circumplex matrices (the CIRCUM<\/em> program) and Hubert's circular expansion randomization tests. Structural modeling enforces three nested constraints on the correlation matrix: (1) circular order, (2) equal spacing (octants spaced exactly $45^circ$<\/span> apart), and (3) equal communalities (equal radius from the center). The CSIE consistently satisfies these stringent criteria:<\/p>\n The Circumplex Scales of Interpersonal Efficacy was developed in 2007 and officially detailed in Personality and Social Psychology Bulletin<\/em> (Locke & Sadler, 2007). The instrument is in the public academic domain for non-commercial research, educational, and clinical applications. Researchers and clinicians may administer, score, and reproduce the CSIE without paying royalty fees, provided appropriate bibliographic attribution is accorded to Dr. Kenneth D. Locke and the original publication.<\/p>\n Commercial utilization, digital platform integration for fee-based services, or large-scale corporate assessment deployments require explicit written authorization and licensing agreements from the copyright holder and publisher. Additional scoring syntax files (for SPSS, SAS, and R) and circumplex profiling documentation are accessible via Kenneth D. Locke's academic website hosted by the University of Idaho.<\/p>\nKeywords<\/h2>\n
Authors<\/h2>\n
Purpose<\/h2>\n
Psychological Construct<\/h2>\n
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Theoretical Framework<\/h2>\n
Interpersonal Theory and the Circumplex Tradition<\/h3>\n
Social-Cognitive Self-Efficacy Theory<\/h3>\n
Validity<\/h2>\n
Construct and Structural Validity<\/h3>\n
Convergent and Discriminant Validity<\/h3>\n
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Predictive and Behavioral Validity<\/h3>\n
Reliability<\/h2>\n
Internal Consistency<\/h3>\n
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Test-Retest Stability<\/h3>\n
Factor Analysis<\/h2>\n
Principal Components Analysis and Geometric Projection<\/h3>\n
Confirmatory Circumplex Structure Modeling<\/h3>\n
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Instrument \/ Measurement Tool<\/h2>\n
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0<\/code>: I am not at all confident that…<\/em><\/li>\n2<\/code>: I am mildly confident that…<\/em><\/li>\n5<\/code>: I am moderately confident that…<\/em><\/li>\n8<\/code>: I am very confident that…<\/em><\/li>\n10<\/code>: I am absolutely confident that…<\/em><\/li>\n\n
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\n $DOM = \\text{PA} – \\text{HI} + 0.707 \\times (\\text{NO} + \\text{BC} – \\text{JK} – \\text{FG})$<\/span>
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\n $LOV = \\text{LM} – \\text{DE} + 0.707 \\times (\\text{NO} + \\text{JK} – \\text{BC} – \\text{FG})$<\/span>\n <\/li>\n
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\n $\\theta = operatorname{a\\tan2}(DOM, LOV)$<\/span>
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\n $d = \\sqrt{DOM^2 + LOV^2}$<\/span>\n <\/li>\n<\/ul>\n<\/li>\n<\/ul>\nPermissions & Fee and Test Year<\/h2>\n
References<\/h2>\n
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13. Items of the Scale (Questionnaire)<\/h2>\n