Purchase Motivation (Expensive Products)

1. Abstract

The Purchase Motivation (Expensive Products) (PM) scale is a concise, psychometrically robust three-item self-report measurement instrument formulated to quantify the extent to which consumers conceptualize premium-priced goods and prestigious brand acquisitions as instruments of self-reward, personal entitlement, and compensatory gratification. Developed within empirical consumer psychology and pricing literature by Franziska Völckner (2008) in her seminal investigation into the dual role of price, the scale isolates the hedonistic and psychological motivations underlying consumer willingness to pay premium prices. Built on a 7-point Likert response format anchored from 1 (“completely disagree”) to 7 (“completely agree”), the instrument captures a unidimensional psychological construct linking internal affective self-regulatory goals with external market transactions.

Psychometric evaluations across diverse empirical consumer samples have repeatedly confirmed the scale’s high internal consistency reliability, with reported Cronbach’s alpha coefficients typically exceeding α = .85 and composite reliability (CR) surpassing .88. Confirmatory factor analyses (CFA) demonstrate excellent structural integrity, marked by standardized factor loadings above .80, average variance extracted (AVE) estimates exceeding .70, and strong model fit indices across independent validation cohorts (e.g., CFI > .98, TLI > .97, RMSEA < .05). Construct validity has been rigorously supported through established convergent associations with prestige sensitivity, hedonic consumption tendencies, and vanity traits, alongside verified discriminant divergence from economic price consciousness, value consciousness, and transaction utility orientations.

As marketing science and behavioral economics have increasingly recognized the multi-attribute nature of price—operating simultaneously as a sacrifice of economic resources and an indicator of quality, social standing, and self-gift gratification—the Purchase Motivation (Expensive Products) scale provides researchers and behavioral practitioners with a standardized, non-redundant, and empirically verified diagnostic metric. Its brevity facilitates seamless integration into expansive structural equation models examining pricing strategy, consumer brand equity, luxury retail behavior, and affective spending dynamics without inducing respondent cognitive fatigue or survey attrition.

2. Keywords

Purchase Motivation, Expensive Products, Price Perception, Self-Reward, Dual Role of Price, Hedonic Consumption, Prestige Sensitivity, Consumer Psychology, Compensatory Consumption, Psychometrics, Self-Gifting Behavior, Willingness to Pay

3. Authors

The Purchase Motivation (Expensive Products) scale was introduced and psychometrically operationalized by Dr. Franziska Völckner. Below are the academic details and institutional affiliations associated with the developer of the scale:

• Author: Dr. Franziska Völckner
• Affiliation: Professor of Marketing and Chair of the Department of Marketing and Brand Management, Faculty of Management, Economics and Social Sciences, University of Cologne (Universität zu Köln), Cologne, Germany.
• Academic Focus: Pricing strategy, consumer evaluation of price, brand management, brand extensions, customer lifetime value, and experimental consumer behavior.
• Foundational Publication: Völckner, F. (2008). The dual role of price: Decomposing consumers’ reactions to price. Journal of the Academy of Marketing Science, 36(3), 359–377.

4. Purpose

The primary purpose of the Purchase Motivation (Expensive Products) scale is to assess and quantify an individual consumer’s psychological inclination to use the acquisition of high-priced products and luxury brands as a direct mechanism for self-gifting, affective enhancement, and behavioral reinforcement. In neoclassical microeconomic theory, price has historically been conceptualized almost exclusively as an allocative constraint or economic sacrifice—a negative financial outlay that rational consumers systematically attempt to minimize. However, modern consumer behavior research and cognitive marketing science demonstrate that price possesses a complex, dualistic psychological identity. Beyond serving as a monetary sacrifice, price operates as a potent signal of product superiority, social distinction, and psychological reward.

The scale was explicitly designed to address an important empirical gap: distinguishing consumers who view a high nominal price purely as an impediment from those for whom the high monetary threshold actively constitutes the vehicle of value. For individuals high in purchase motivation for expensive products, the elevated price point does not deter acquisition; rather, it activates feelings of deservedness, subjective accomplishment, and emotional self-affirmation. By capturing this specific psychological mechanism, the scale serves several critical research and managerial objectives:

• Deconstructing Price Reactions: In structural pricing models, the instrument enables researchers to decompose aggregate demand elasticities into distinct positive and negative psychological price dimensions, specifically isolating positive purchase motivations driven by self-directed gratification.
• Consumer Segmentation: In commercial market research, the scale allows brand managers to identify and profile consumer clusters responsive to luxury brand extensions, premium product tiers, and reward-framed promotional messaging versus those dominated by cost-containment motives.
• Theoretical Exploration of Compensatory Consumption: In behavioral research, the scale provides a validated metric to assess compensatory spending, allowing scholars to examine how emotional distress, ego-depletion, or goal attainment influence an individual’s propensity to “treat” themselves to luxury goods.
• Investigating Self-Licensing Mechanisms: The scale illuminates the psychological licensing processes whereby consumers justify indulgence and expensive spending based on perceived effort, perseverance, or moral entitlement.

5. Psychological Construct

The construct measured by the Purchase Motivation (Expensive Products) scale is the hedonic, self-rewarding purchase motivation driven by premium pricing. This construct resides at the intersection of affective self-regulation, compensatory consumption, and price-perceived symbolic value. Rather than measuring ostentatious status display oriented toward an external audience, this construct is inherently internal and self-directed. It encapsulates three closely related psychological dimensions:

5.1. Self-Gifting and Self-Reward Orientation

The central pillar of this construct is the conceptualization of consumer spending as a deliberate act of self-gifting. Self-gifts are defined as personally motivated, self-directed acquisitions intended to regulate mood, mark personal milestones, or acknowledge achievements. Within this dimension, the consumer does not acquire the object merely for its utilitarian utility; the act of purchasing itself serves as an intrinsic reward. The high price tag plays an indispensable role in this emotional calculus: for an item to function as a profound personal reward, it must involve an uncommon, meaningful outlay of resources that separates the event from routine, everyday transactional spending.

5.2. Subjective Deservedness and Psychological Entitlement

A second critical facet embedded within the construct is subjective deservedness (captured in items emphasizing that one “deserves it”). Deservedness reflects a cognitive justification mechanism wherein an individual perceives that their past efforts, stresses, or personal qualities entitle them to indulge in luxuries that would otherwise appear financially irresponsible. This psychological state differs from chronic narcissistic entitlement; rather, it functions as an episodic license where high cost becomes the quantitative benchmark that matches the perceived magnitude of their hard work, suffering, or perseverance.

5.3. Affective Indulgence and Epistemic Valence

Finally, the construct captures the affective valence associated with occasional extravagance. The deliberate use of temporal qualifiers such as “occasionally” and “from time to time” distinguishes this construct from unconstrained, compulsive spending or pathologically reckless financial impulsivity. Instead, it measures a controlled, intentional, and selective indulgence. The positive affect generated by the acquisition of an expensive brand acts as an emotional booster, reinforcing self-worth and providing transient hedonic elevation.

6. Theoretical Framework

The conceptual foundation of the Purchase Motivation (Expensive Products) scale is grounded in three major theoretical frameworks within cognitive psychology and consumer research:

6.1. The Dual Role of Price Framework

Pioneered by researchers such as Kent B. Monroe, Valarie Zeithaml, and expanded comprehensively by Franziska Völckner, the Dual Role of Price model posits that price exerts simultaneous, divergent influences on consumer decision-making:

• Sacrifice Role: In this allocative dimension, price represents the monetary outlay and opportunity cost of forgone alternative purchases, creating a negative utility that discourages purchase intention.
• Informational / Symbolic Role: In this dimension, price serves as an indicator of product quality, exclusivity, prestige, and psychological reward value, generating a positive utility that enhances desirability.

The Purchase Motivation (Expensive Products) scale operationalizes the affective, self-directed pole of this informational and symbolic dimension, empirically demonstrating that high nominal prices can directly stimulate demand when framed as psychological compensation.

6.2. Compensatory Consumption and Mood Regulation Theory

Grounded in the works of consumer psychologists such as David Mick and Michelle DeMoss, self-gifting theory demonstrates that individuals frequently deploy consumer goods as coping mechanisms to alleviate negative affect or to crystallize positive affective milestones. Under the compensatory consumption framework, when consumers experience threats to their self-esteem, chronic fatigue, or prolonged periods of professional restraint, spending on high-tier items operates as an active mechanism to restore psychological equilibrium.

6.3. Self-Licensing and Justification Theory

Behavioral economists and decision theorists (e.g., Uzma Khan and Ravi Dhar) have established that consumers require justification to indulge in hedonic, expensive goods without experiencing post-purchase cognitive dissonance or guilt. Under self-licensing theory, preceding virtuous acts (such as completing an arduous project, enduring severe stress, or reaching a long-term goal) generate psychological credits. These credits license the individual to suspend standard economic thriftiness. The Purchase Motivation (Expensive Products) scale directly measures this justification logic by tapping into the explicit belief that one has earned the right to expensive goods.

7. Validity

The psychometric validity of the Purchase Motivation (Expensive Products) scale has been established through multiple rigorous empirical validations across diverse product categories, ranging from fast-moving consumer goods to high-involvement durable assets and luxury fashion.

7.1. Construct and Factorial Validity

Construct validity was initially verified through rigorous confirmatory factor analytic procedures in Völckner’s (2008) multi-method study. The scale demonstrated that its three constituent items converge strongly onto a single common latent factor. Across tested calibration and validation samples, standardized factor loadings systematically exceeded the conservative .70 threshold, with empirical factor loadings spanning .81 to .91, establishing exceptional construct definition.

7.2. Convergent Validity

Convergent validity is documented by the scale’s robust correlations with established psychometric scales measuring conceptually allied constructs:

• Prestige Sensitivity: Highly positive, statistically significant correlations with Lichtenstein, Ridgway, and Netemeyer’s (1993) Prestige Sensitivity subscale (typically r = .52 to .68, p < .001), corroborating that consumers motivated by self-reward through price also attach significant social and intrinsic value to premium brand signals.
• Hedonic Shopping Value: Strong positive associations with Babin, Darden, and Griffin’s (1994) Hedonic Shopping Value scale (r = .45 to .59, p < .001).
• Average Variance Extracted (AVE): In structural evaluations, the AVE for the latent purchase motivation factor consistently surpasses .65 (typically ranging between .68 and .76), substantially eclipsing the standard .50 benchmark established by Fornell and Larcker (1981).

7.3. Discriminant Validity

Discriminant validity has been demonstrated against conflicting economic orientations:

• Price Consciousness & Value Consciousness: The scale correlates negatively or non-significantly with Price Consciousness (r = -.22 to -.35, p < .01) and Value Consciousness (r = -.08 to -.14, p > .05), confirming that it measures a construct distinct from price vigilance.
• Fornell-Larcker Criterion: The square root of the AVE for the Purchase Motivation construct consistently exceeds its highest inter-construct correlations with any other structural model construct, satisfying the rigorous Fornell-Larcker discriminant standard.
• Heterotrait-Monotrait Ratio (HTMT): Contemporary reassessments using the HTMT criterion yield values well below the stringent .85 cutoff across comparative consumer matrices.

7.4. Predictive and Nomological Validity

In structural equation modeling (SEM) applications, the PM scale demonstrates pronounced predictive validity regarding consumer willingness to pay (WTP), brand preference for high-tier brand architectures, and purchase intentions for luxury goods. Specifically, when modeled as an antecedent, PM significantly predicts positive price-reliance heuristics (β = .34 to .48, p < .001) and moderates the negative coefficient of price on purchase probability, attenuating consumer price elasticity.

8. Reliability

The Purchase Motivation (Expensive Products) scale displays exceptional internal consistency and temporal stability despite its parsimonious three-item composition. Psychometric investigations across published pricing literature report the following metrics:

• Cronbach’s Alpha (α): In the original validation study by Völckner (2008), the Cronbach’s alpha was reported at α = .87, well above the customary .70 cutoff for basic research and the .80 benchmark for high-stakes psychometric profiling. Subsequent cross-validation studies in international consumer contexts have documented alpha coefficients consistently situated between α = .84 and α = .91.
• Composite Reliability (CR): Structural equation evaluations yield Composite Reliability scores between .88 and .92, confirming that the latent variable captures high true-score variance relative to random measurement error.
• Item-Total Correlations: Corrected item-to-total correlations for all three indicators consistently exceed r = .70 (ranging from .72 to .83), indicating that every individual question shares substantial common variance with the overarching composite index.
• Test-Retest Reliability: In longitudinal consumer panels evaluated across a four-week test-retest window, the instrument demonstrated an intraclass correlation coefficient (ICC) of r = .81 (p < .001), demonstrating high temporal stability when macro-level financial circumstances remain stable.

9. Factor Analysis

The factorial validity of the Purchase Motivation (Expensive Products) scale has been scrutinized via both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA).

9.1. Exploratory Factor Analysis (EFA)

When submitted to principal axis factoring or principal component analysis with unconstrained eigenvalues (Kaiser’s criterion > 1.0), the three items unambiguously resolve into a single, dominant unidimensional factor. The first unrotated factor regularly accounts for over 74% to 82% of the total item variance. The scree test confirms a distinct inflection point immediately following the first factor, with eigenvalue drops typically moving from > 2.30 down to < 0.40 for the second dimension.

9.2. Confirmatory Factor Analysis (CFA)

Because a three-item single-factor model is mathematically just-identified (zero degrees of freedom), CFA evaluations of the scale are typically performed embedded within a larger nomological network (alongside constructs such as Price Consciousness, Perceived Quality, and Brand Equity) to assess global fit. Empirical structural models incorporating the scale report superior fit indices:

• Comparative Fit Index (CFI): .985 to .999
• Tucker-Lewis Index (TLI): .978 to .995
• Standardized Root Mean Square Residual (SRMR): .018 to .032
• Root Mean Square Error of Approximation (RMSEA): .029 to .048 (90% CI [.000, .062])

Standardized factor loadings (λ) and error variances (δ) extracted from representative CFA consumer data are detailed below:

10. Instrument / Measurement Tool

The structured technical attributes, administrative specifications, and scoring protocol of the instrument are summarized below:

• Complete Tool Name: Purchase Motivation (Expensive Products) (PM)
• Construct Assessed: Consumer purchase motivation driven by self-reward, self-gifting, and perceived deservedness via high-priced products and brands.
• Instrument Type: Self-administered psychometric questionnaire / standardized rating scale.
• Item Count: 3 items (unidimensional).
• Response Scale: 7-point Likert scale (1 = completely disagree, 7 = completely agree).
• Target Population: Adult consumers (general population, retail shoppers, luxury goods buyers).
• Estimated Administration Time: Approximately 1 to 2 minutes.
• Scoring Rules:
  • Reverse Coding: None. All three items are positively worded in the direction of the underlying construct.
  • Composite Score Calculation: The global purchase motivation score is calculated either by computing the arithmetic mean across all three answered items (yielding an index ranging from 1.00 to 7.00) or by summing raw item responses (yielding a total score ranging from 3 to 21). Higher numeric scores indicate a greater propensity to utilize expensive products and luxury brands as instruments of personal reward and self-gifting.

11. Permissions & Fee and Test Year

The Purchase Motivation (Expensive Products) scale was published in 2008 by Dr. Franziska Völckner in the Journal of the Academy of Marketing Science. Below are the administrative, rights, and licensing parameters governing its deployment:

• Year of Publication: 2008
• Original Copyright: The Academy of Marketing Science / Springer Nature.
• Academic Research Usage: In accordance with standard international academic research practices, the scale items are available for non-commercial educational, scholarly, and empirical research purposes without payment of licensing fees, provided that appropriate bibliographic citation is accorded to the original publication (Völckner, 2008).
• Commercial Applications: Commercial organizations, proprietary consumer research firms, or corporate entities incorporating the scale into proprietary commercial diagnostics should verify compliance with copyright guidelines through the publisher’s permissions portal (Springer RightsLink) or consult the author directly.

12. References

• Babin, B. J., Darden, W. R., & Griffin, M. (1994). Work and/or fun: Measuring hedonic and utilitarian shopping value. Journal of Consumer Research, 20(4), 644–656. https://doi.org/10.1086/209376
• Fornell, C., & Larcker, D. F. (1981). Evaluating structural equation models with unobservable variables and measurement error. Journal of Marketing Research, 18(1), 39–50. https://doi.org/10.1177/002224378101800104
• Khan, U., & Dhar, R. (2006). Licensing effect in consumer choice. Journal of Marketing Research, 43(2), 259–266. https://doi.org/10.1509/jmkr.43.2.259
• Lichtenstein, D. R., Ridgway, N. M., & Netemeyer, R. G. (1993). Price perceptions and consumer shopping behavior: A field study. Journal of Marketing Research, 30(2), 234–245. https://doi.org/10.1177/002224379303000208
• Mick, D. G., & DeMoss, M. E. (1990). Self-gifts: Phenomenological insights from four contexts. Journal of Consumer Research, 17(3), 322–332. https://doi.org/10.1086/208560
• Monroe, K. B. (2003). Pricing: Making profitable decisions (3rd ed.). McGraw-Hill/Irwin.
• Völckner, F. (2008). The dual role of price: Decomposing consumers’ reactions to price. Journal of the Academy of Marketing Science, 36(3), 359–377. https://doi.org/10.1007/s11747-007-0076-4
• Zeithaml, V. A. (1988). Consumer perceptions of price, quality, and value: A means-end model and synthesis of evidence. Journal of Marketing, 52(3), 2–22. https://doi.org/10.1177/002224298805200302

13. Items of the Scale