Abstract
The Salesperson Causal Attribution Scale – Successful Sales Call (SCAS-S) is a specialized psychometric assessment instrument developed by Andrea L. Dixon, Rosann L. Spiro, and Maqbul Jamil (2001) to evaluate the cognitive explanations sales professionals formulate following a successful sales encounter—specifically defined as an interaction culminating in a closed sale. Rooted in social cognitive psychology and attribution theory, the instrument operationalizes how boundary-spanning professionals explain their performance outcomes across five distinct causal dimensions: Effort (internal, unstable, controllable), Strategy (internal, unstable, controllable), Ability (internal, stable, controllable/uncontrollable), Task Difficulty (external, stable, uncontrollable), and Luck (external, unstable, uncontrollable). The scale comprises 15 items organized into five 3-item subscales, scored using a 6-point forced-choice Likert response format ranging from 1 (“Strongly Disagree”) to 6 (“Strongly Agree”). Extensive empirical validation within business-to-business (B2B) sales contexts demonstrates sound psychometric integrity, evidenced by robust internal consistency reliability coefficients (Cronbach’s alpha values typically between .74 and .88 across subdimensions), well-established discriminant validity confirmed via confirmatory factor analytic procedures, and pronounced predictive validity regarding subsequent behavioral intentions, including strategy adaptation, effort expenditure, and managerial coaching receptivity. By isolating the cognitive architecture governing post-success evaluations, the SCAS-S provides organizational researchers and sales leaders with an empirically rigorous mechanism to diagnose salesperson motivation, resilience, learning orientation, and adaptive performance trajectories.
Keywords
Salesperson Causal Attribution Scale, SCAS-S, Attribution Theory, Sales Performance, Effort Attribution, Sales Strategy, Causal Locus, Controllability, Bernard Weiner, Sales Management
Authors
The scale was developed and psychometrically validated by an academic research team specializing in marketing, sales management, and organizational behavior:
- Andrea L. Dixon, Ph.D. — Frank M. and Lucile G. Elizabeth Professorship in Marketing, Executive Director of the Center for Professional Selling, Hankamer School of Business, Baylor University. Her research focuses on sales leadership, boundary-spanning behaviors, buyer-seller relationships, and cognitive motivation.
- Rosann L. Spiro, Ph.D. — Professor Emerita of Marketing, Kelley School of Business, Indiana University Bloomington. A pioneering scholar in personal selling, adaptive selling behavior, sales force motivation, and attributional processes.
- Maqbul Jamil, Ph.D. — Researcher and quantitative methodologist specializing in applied marketing research, attribution modeling, and customer relationship dynamics.
Purpose
The primary purpose of the Salesperson Causal Attribution Scale – Successful Sales Call (SCAS-S) is to measure the multidimensional cognitive attributions made by sales professionals following a successful sales interaction (defined as closing a sale or meeting designated call objectives). In organizational environments characterized by high volatility, rejection, and variable incentive compensation, the psychological interpretation of performance outcomes dictates subsequent effort, persistence, and strategic flexibility.
Historically, sales force motivation research often relied on broad constructs such as generalized self-efficacy or global intrinsic motivation, frequently overlooking the discrete post-event evaluations that determine behavioral adaptation. The SCAS-S addresses this gap by capturing the nuanced cognitive mechanisms through which salespeople decipher why they succeeded. Understanding post-success attributions is essential because success can paradoxically foster complacency if attributed to immutable traits (such as innate ability) or unearned circumstances (such as an easy customer or fortuitous luck). Conversely, when success is attributed to deliberate effort or sound tactical execution (strategy), salespeople are more likely to experience enhanced intrinsic motivation, refine their professional competencies, and replicate effective selling behaviors.
From an applied perspective, the SCAS-S serves multiple functional roles:
- Diagnostic Assessment for Sales Coaching: Sales managers and executive coaches utilize the instrument to identify attributional biases. For example, a salesperson who consistently attributes closed deals to external task simplicity or luck may lack task-specific self-efficacy, whereas one who recognizes strategic alignment is primed for higher behavioral adaptability.
- Curriculum Design in Sales Training: Attribution retraining programs utilize baseline SCAS-S data to teach sales personnel how to shift causal interpretations away from uncontrollable factors toward controllable, actionable variables (effort and strategic presentation design).
- Predictive Analytics in Sales Research: Empirical researchers employ the scale to model relationships between cognitive attributions, goal orientations (learning vs. performance orientations), emotional states (pride, gratitude, hubris), and downstream objective performance metrics (quota attainment, customer retention, cross-selling success).
Psychological Construct
The construct underlying the SCAS-S is rooted in cognitive social psychology, defined as a professional’s retrospective subjective interpretation of the causes responsible for a successful selling event. Building upon Bernard Weiner’s taxonomic framework of achievement motivation, Dixon, Spiro, and Jamil (2001) conceptualized sales attributions as structured across three foundational causal dimensions: Locus of Causality (internal vs. external to the actor), Stability (constant over time vs. fluctuating/variable), and Controllability (amenable to volitional influence vs. outside the agent’s command). A crucial theoretical advancement introduced in the SCAS-S was the explicit bifurcation of internal/unstable causes into Effort and Strategy.
The scale encompasses five distinct subscales:
1. Effort (Internal, Unstable, Controllable)
This dimension captures the extent to which the salesperson attributes the successful outcome to personal exertion, hard work, persistence, and energy expenditure during the specific sales call. Because effort is internal and unstable, it represents a dynamic, renewable personal resource that the agent can actively calibrate. A high effort attribution reflects the belief: “I won this account because I worked diligently and pushed through challenges.”
2. Strategy (Internal, Unstable, Controllable)
Dixon et al. differentiated strategy from generalized effort to capture cognitive and tactical problem-solving. Strategy refers to the salesperson’s planning, selection of sales methodology, presentation design, and real-time adaptation of communication approaches to address buyer needs. Attributing success to strategy indicates that the salesperson perceives the outcome as stemming from an intelligent, customized solution rather than mere physical labor or repetitive outreach.
3. Ability (Internal, Stable, Uncontrollable / Relatively Controllable)
Ability measures the causal attribution to innate talent, enduring sales acumen, professional knowledge, and foundational competencies. Unlike effort, ability is perceived as a stable internal attribute that persists across selling scenarios. While high ability attributions bolster self-confidence and self-worth, excessive reliance on ability can lead to fixed mindset behaviors, where the salesperson assumes that talent alone supersedes the need for rigorous call preparation.
4. Task Difficulty (External, Stable, Uncontrollable)
This subscale evaluates the degree to which success is credited to environmental conditions, notably that the sale was inherently straightforward, the customer was compliant or easy to manage, or market demand required minimal selling effort. Task difficulty is external to the salesperson and perceived as relatively stable within a given client context. Attributing success heavily to task simplicity diminishes personal credit and limits feelings of genuine professional competence.
5. Luck (External, Unstable, Uncontrollable)
The luck attribution reflects the belief that success occurred due to chance, favorable timing, serendipity, or arbitrary environmental factors outside personal agency (e.g., “being in the right place at the right time”). Attributing success to luck reflects low perceived agency over the sales process, potentially inducing anxiety regarding whether past performance can be systematically reproduced.
Theoretical Framework
The conceptual foundation of the SCAS-S integrates Bernard Weiner’s Attribution Theory of Achievement Motivation and Emotion (1985, 1986) with contemporary paradigms in sales performance, notably Social Cognitive Theory (Bandura, 1986, 1997) and the Adaptive Selling Model (Weitz, Sujan, & Sujan, 1986).
Weiner’s foundational model posits that individuals are active, information-seeking organisms who engage in causal searches following achievement events, particularly when outcomes are significant, unexpected, or failure-related. Weiner categorized causes across a 2 × 2 matrix of Locus (Internal vs. External) and Stability (Stable vs. Unstable), later integrating Controllability (Controllable vs. Uncontrollable). Under the classic Weinerian taxonomy, achievement outcomes were typically mapped to four causes: Ability (internal/stable), Effort (internal/unstable), Task Difficulty (external/stable), and Luck (external/unstable).
However, Dixon, Spiro, and Jamil recognized critical limitations when applying this classic 4-factor taxonomy directly to modern consultative sales environments. First, operationalizing “effort” purely as kinetic or temporal exertion failed to capture the intellectual, adaptive nature of modern complex sales. Citing educational psychology and cognitive learning frameworks (e.g., Ames, 1992), Dixon et al. noted that high performers often distinguish between working harder (effort) and working smarter (strategy). By decoupling strategy (planning, method selection, behavioral adjustment) from raw effort, the researchers established a 5-factor model that reflects professional sales dynamics.
Furthermore, the SCAS-S integrates Albert Bandura’s self-efficacy theory. In sales, the causal attributions made after success determine whether an individual’s self-efficacy becomes robust or fragile. Attributions to controllable factors (effort and strategy) generate functional optimism and high outcome expectancies, motivating the salesperson to analyze successful calls systematically. Conversely, externalizing success to task ease or luck undermines the development of mastery experiences, muting the psychological benefits typically conferred by successful performance.
Validity
The psychometric validity of the SCAS-S was rigorously established through multi-stage empirical investigations using active professional sales personnel operating in diverse business-to-business sectors (Dixon, Spiro, & Jamil, 2001).
Construct and Convergent Validity
Construct validity was validated using Confirmatory Factor Analysis (CFA). Convergent validity was evidenced by statistically significant, high factor loadings for all individual indicators on their designated latent attribution factors (loadings predominantly exceeding .70, $p < .001$). Subscales exhibited average variance extracted (AVE) values surpassing the recommended .50 threshold, establishing that the variance explained by each latent construct exceeds measurement error variance.
Discriminant Validity
Discriminant validity across the five attributional dimensions was examined via nested model comparisons. Dixon et al. evaluated chi-square difference tests ($\Delta\chi^2$) between an unconstrained five-factor model and alternative constrained models wherein correlations between latent constructs were sequentially fixed to unity (1.0). In every instance, the unconstrained five-factor model exhibited superior fit, confirming that Effort, Strategy, Ability, Task Difficulty, and Luck represent statistically distinct psychological dimensions. Most notably, the empirical separation between Effort and Strategy confirmed their conceptual distinctiveness, supporting the theoretical rationale for treating strategy as an independent attribution.
Predictive and Criterion-Related Validity
Criterion-related validity was established by examining the relationships between SCAS-S attribution scores and subsequent behavioral intentions reported by sales professionals. Hierarchical regression models demonstrated that:
- Attributions to Strategy following a successful sales call positively predicted the intention to refine sales approaches, conduct pre-call planning for upcoming interactions, and share best practices with peer team members ($eta$ ranging from .28 to .42, $p < .01$).
- Attributions to Effort significantly predicted prospective intentions to increase call volume, persistence with challenging accounts, and prospecting intensity.
- Attributions to Luck and Task Difficulty exhibited negative or non-significant relationships with proactive learning behaviors, verifying that externalizing success attenuates continuous improvement intentions.
Reliability
The reliability of the SCAS-S has been confirmed through repeated administrations in field sales research. In the initial validation study conducted by Dixon, Spiro, and Jamil (2001), internal consistency was estimated using Cronbach’s coefficient alpha across all five subscales:
- Effort Subscale: $lpha = .81$ to $.86$, reflecting high internal cohesion among items assessing work intensity and personal exertion.
- Strategy Subscale: $lpha = .79$ to $.84$, indicating reliable measurement of planning, approach selection, and presentation tactics.
- Ability Subscale: $lpha = .76$ to $.83$, confirming reliable assessment of innate talent, general sales skill, and procedural knowledge.
- Task Difficulty Subscale: $lpha = .74$ to $.80$, demonstrating acceptable internal reliability for items measuring customer cooperativeness and ease of sale.
- Luck Subscale: $lpha = .82$ to $.88$, demonstrating strong internal consistency among items capturing chance, timing, and serendipitous factors.
Composite reliability (CR) metrics derived from confirmatory structural models consistently exceed the standard .70 benchmark (ranging from .78 to .89 across dimensions). Corrected item-to-total correlations for each 3-item subscale routinely surpass .50, with no item deletion yielding a meaningful increase in subscale alpha, confirming that each 3-item configuration functions reliably.
Factor Analysis
The structural dimensionality of the SCAS-S was established via rigorous exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA) across independent field samples of corporate salespeople.
Exploratory Factor Analysis (EFA)
Initial EFA using principal axis factoring with oblique (Promax) rotation extracted five distinct factors with eigenvalues greater than 1.0, collectively accounting for over 68% of the total item variance. The rotated factor matrix demonstrated a clean, simple structure: all 15 items loaded robustly onto their designated target factors (standardized loadings $lambda ge .68$), with negligible cross-loadings across secondary dimensions ($lambda le .22$).
Confirmatory Factor Analysis (CFA)
Subsequent CFA estimation using Maximum Likelihood procedures confirmed the five-factor oblique structure. The five-factor measurement model demonstrated strong goodness-of-fit metrics, significantly outperforming alternative one-factor, two-factor (internal vs. external), and four-factor (classic Weinerian) models:
- Chi-Square to Degrees of Freedom Ratio ($\chi^2/df$): $1.52$ to $1.84$ (well below the conservative $3.0$ threshold)
- Comparative Fit Index (CFI): $.96$ to $.98$
- Tucker-Lewis Index (TLI): $.95$ to $.97$
- Root Mean Square Error of Approximation (RMSEA): $.042$ to $.055$ ($90%\text{ CI } [.031, .068]$)
- Standardized Root Mean Square Residual (SRMR): $.038$ to $.049$
All standardized factor loadings in the CFA measurement model were statistically significant ($p < .001$), with standardized parameter estimates ranging from$.71$ to $.91$. The factor correlations among the five dimensions revealed meaningful theoretical alignments: Effort and Strategy were positively correlated ($r pprox .42, p < .01$), while Strategy and Luck demonstrated an inverse relationship ($r pprox -.26, p < .05$).
Instrument / Measurement Tool
- Formal Name: Salesperson Causal Attribution Scale – Successful Sales Call (SCAS-S)
- Developer / Originators: Andrea L. Dixon, Rosann L. Spiro, and Maqbul Jamil (2001)
- Construct Assessed: Post-performance causal attributions regarding successful sales call outcomes
- Instrument Type: Self-report psychometric questionnaire
- Target Population: B2B, B2C, inside, and field sales professionals, account executives, and commercial representatives
- Administration Format: Paper-and-pencil, online survey platform, or computer-assisted self-interview (CASI); can be administered as an immediate post-call assessment or as a general reflective recall tool
- Estimated Completion Time: 3 to 5 minutes
- Number of Items: 15 items
- Subdimensions (5 Subscales, 3 items each):
- Effort: Items 1, 2, 3
- Strategy: Items 4, 5, 6
- Ability: Items 7, 8, 9
- Task Difficulty: Items 10, 11, 12
- Luck: Items 13, 14, 15
- Response Scale: 6-point forced-choice Likert scale (1 = Strongly Disagree, 2 = Disagree, 3 = Slightly Disagree, 4 = Slightly Agree, 5 = Agree, 6 = Strongly Agree)
- Scoring Protocol: No items are reverse scored. Subscale scores are computed by calculating the arithmetic mean of the three items corresponding to each dimension. Higher scores indicate stronger attribution of sales success to that specific causal factor.
Permissions & Fee and Test Year
The Salesperson Causal Attribution Scale – Successful Sales Call (SCAS-S) was published in 2001 by the American Marketing Association in the Journal of Marketing (Volume 65, Issue 3). The scale items are published in the open scientific domain for scholarly evaluation, theoretical replication, and non-commercial educational research purposes under standard academic fair-use doctrines, provided full formal bibliographic citation is accorded to the original authors (Dixon, Spiro, & Jamil, 2001). Commercial deployment, incorporation within proprietary enterprise diagnostic batteries, or utilization within paid corporate sales training platforms typically requires permission or appropriate licensing through the publisher or authors.
References
- Ames, C. (1992). Classrooms: Goals, structures, and student motivation. Journal of Educational Psychology, 84(3), 261–271. https://doi.org/10.1037/0022-0663.84.3.261
- Bandura, A. (1986). Social foundations of thought and action: A social cognitive theory. Prentice-Hall.
- Bandura, A. (1997). Self-efficacy: The exercise of control. W. H. Freeman and Company.
- Dixon, A. L., Spiro, R. L., & Jamil, M. (2001). Successful and unsuccessful sales calls: Measuring salesperson attributions and behavioral intentions. Journal of Marketing, 65(3), 64–78. https://doi.org/10.1509/jmkg.65.3.64.18330
- Sujan, H. (1986). Smarter versus harder: An exploratory attributional analysis of salespeople’s motivation. Journal of Marketing Research, 23(1), 41–49. https://doi.org/10.1177/002224378602300105
- Teas, R. K., & McElroy, J. C. (1986). Causal attributions and salespersons’ satisfaction and commitment: An empirical investigation. Journal of Marketing Research, 23(1), 75–86. https://doi.org/10.1177/002224378602300109
- Weiner, B. (1985). An attributional theory of achievement motivation and emotion. Psychological Review, 92(4), 548–573. https://doi.org/10.1037/0033-295X.92.4.548
- Weiner, B. (1986). An attributional theory of motivation and emotion. Springer-Verlag. https://doi.org/10.1007/978-1-4612-4948-1
- Weitz, B. A., Sujan, H., & Sujan, M. (1986). Knowledge, motivation, and adaptive selling: A framework for improving selling effectiveness. Journal of Marketing, 50(4), 174–191. https://doi.org/10.1177/002224298605000404
Items of the Scale
Response Scale: 6-point Likert scale (1 = Strongly Disagree to 6 = Strongly Agree)
- I was successful because I worked hard on this call.
- My success was due to the effort I put forth on this call.
- I succeeded on this call because I pushed myself to do well.
- I succeeded on this call because I used the right sales approach.
- My success was due to the sales strategy I employed on this call.
- I was successful because I planned the right presentation strategy for this call.
- My success on this call was due to my overall sales ability.
- I succeeded because I have the natural talent needed to sell.
- I was successful because of my sales skills and knowledge.
- I was successful because this was an easy sale to make.
- My success was due to the fact that this customer is easy to sell to.
- I succeeded on this call because the sales task was not difficult.
- I was successful on this call because I was in the right place at the right time.
- My success on this call was just a matter of good luck.
- I succeeded because things just fell into place by chance on this call.