Abstract
The Memory Vividness of the Encounter scale is a concise, psychometrically robust three-item self-report instrument designed to quantify the phenomenological clarity, visual richness, and perceptual immediacy of an individual’s retrospective autobiographical recall concerning a specific interpersonal or mediated interaction. Adapted from foundational psychometric frameworks in autobiographical memory research (notably Rubin, Schrauf, & Greenberg, 2003) and validated in empirical organizational and marketing scholarship by Herhausen, Emrich, Grewal, Kipfelsberger, and Schoegel (2020), the scale assesses the degree to which an encounter spontaneously re-evokes vivid mental imagery and subjective clarity upon retrieval. The instrument operates via a unidimensional structure utilizing a 7-point Likert response format ranging from 1 (“Strongly disagree”) to 7 (“Strongly agree”). Psychometric evaluations demonstrate superior internal consistency, with Cronbach’s alpha and composite reliability coefficients routinely exceeding .88, alongside rigorous confirmatory factor analytic support exhibiting high factor loadings (> .80) and robust model fit indices. The scale possesses established convergent validity with measures of mental simulation, emotional intensity, and perceptual fluency, as well as discriminant validity distinguishing memory vividness from evaluative valence, satisfaction, and factual recall accuracy. By capturing the qualitative richness of episodic representations, this instrument provides researchers and clinical or organizational practitioners with an efficient, theoretically grounded metric for examining how social and digital interactions become entrenched in human memory networks and subsequently drive longitudinal behavioral intentions.
Keywords
Memory Vividness of the Encounter, autobiographical memory, mental imagery, episodic recall, autonoetic consciousness, service encounters, cognitive clarity, dual-coding theory, psychometrics, perceptual richness
Authors
The operationalization and validation of the Memory Vividness of the Encounter scale within service, organizational, and digital encounter contexts were conducted by a consortium of researchers in marketing, consumer behavior, and human-computer interaction:
- Dennis Herhausen — Professor of Marketing, School of Management, Kedge Business School, France. Specialist in digital transformation, customer journeys, and social media interactions.
- Oliver Emrich — Professor of Digital Marketing, Institute of Business Administration, Johannes Gutenberg University Mainz, Germany. Research focuses on omnichannel retailing and digital interfaces.
- Dhruv Grewal — Toyota Chair in Commerce and Electronic Business and Professor of Marketing, Babson College, USA. Leading expert in retailing, pricing, and customer experience.
- Petra Kipfelsberger — Assistant Professor of Leadership, Institute for Leadership and Human Resource Management, University of St. Gallen, Switzerland. Focuses on interpersonal dynamics, meaningful work, and leadership communications.
- Marcus Schoegel — Associate Professor of Marketing and Management, Institute of Marketing and Commerce, University of St. Gallen, Switzerland. Specializes in strategic marketing and omnichannel integration.
Purpose
The primary purpose of the Memory Vividness of the Encounter scale is to provide a standardized, psychometrically rigorous, and low-burden diagnostic tool for measuring the subjective visual and cognitive clarity of an autobiographical memory episode. Interpersonal and service encounters are core building blocks of social cognition, organizational assessment, and brand relationships. While objective interaction details (e.g., duration, transactional outcomes, conversational topics) can be systematically recorded, the subjective, phenomenological reality of how those events are encoded, consolidated, and mentally re-experienced represents the primary cognitive driver of future decision-making, word-of-mouth endorsement, and persistent psychological attachment.
In applied research, particularly within customer relationship management, digital experience design, and human-technology interaction, researchers often mistakenly conflate the evaluative judgment of an experience (such as satisfaction or perceived service quality) with the memorial salience of that experience. The Memory Vividness of the Encounter scale directly bridges this operational gap. Grounded in the reality that human behavior is guided not by historical events as they factually transpired, but by how vividly they are reconstructed in memory, this scale captures the phenomenological properties that determine whether an encounter persists as an active, emotionally resonant cognitive asset or fades into cognitive obscurity.
Beyond commercial and organizational psychology, the scale holds extensive research utility in clinical psychology, social psychology, and cognitive neuropsychology. In these disciplines, variations in memory vividness serve as meaningful indicators of intrusive cognitive processing, post-event rumination, flashbulb memory formation, and the emotional resonance of traumatic or therapeutic interactions. By distilling the multi-faceted construct of episodic vividness into a parsimonious, three-item metric, the instrument minimizes respondent fatigue in complex experimental designs and longitudinal survey batteries without sacrificing psychometric precision.
Psychological Construct
The construct measured by this scale is memory vividness contextualized to a focal encounter—defined as the subjective phenomenology of visual clarity, sensory detail, and cognitive immediacy experienced when retrieving an autobiographical, episodic representation of an interpersonal or mediated event. Memory vividness is not synonymous with memory accuracy, factual veridicality, or confidence; rather, it reflects the qualitative texture and visual richness of the mental simulation generated during retrieval.
Phenomenological Dimensions of Encounter Vividness
The scale captures three primary phenomenological facets that operate harmoniously within a unidimensional cognitive architecture:
- Subjective Clarity of the Holistic Memory: This dimension concerns the distinctness of the retrieved episode relative to background cognitive noise. High clarity implies that the memory possesses defined boundaries, coherent relational structures, and an absence of subjective ambiguity. Item 1 (“I have a vivid memory of the encounter”) taps this overarching phenomenological realization.
- Ease of Visual Image Generation: Grounded in the mental imagery literature, vivid recall is characterized by rapid, low-effort retrieval of visual representations. When an individual reflects on an encounter, the visual elements (e.g., facial expressions, physical environments, non-verbal cues) activate spontaneously without necessitating deliberate, reconstructive problem-solving. Item 2 (“When I think about the encounter, images come to mind easily”) directly assesses this spontaneous visual availability.
- Intra-Psychic Perceptual Resolution: This facet describes the internal cognitive sharpness of the retrieved event, analogous to perceptual resolution in direct visual sensory experience. It addresses the degree to which the memory appears sharp, crisp, and mentally accessible versus diffuse, fuzzy, or fragmented. Item 3 (“The encounter is clear in my mind”) measures this focal aspect of mental clarity.
Distinction from Related Constructs
To fully comprehend the psychological construct, it must be differentiated from closely allied cognitive phenomena:
- Vividness vs. Evaluative Valence: An encounter memory can be intensely vivid regardless of whether the experience was profoundly positive, neutral, or deeply traumatic. The scale measures the representational fidelity of the memory rather than its affective polarity.
- Vividness vs. Objective Accuracy: Cognitive research since Bartlett (1932) and Loftus (1979) has established that individuals can possess exceptionally vivid, highly detailed memories that are objectively inaccurate or distorted. Vividness is an autonoetic, metacognitive judgment of phenomenological appearance, not an index of historical truth.
- Vividness vs. Trait Visualizer Propensity: While individual differences in general mental imagery ability (e.g., measured via the Vividness of Visual Imagery Questionnaire; Marks, 1973) influence how easily people construct internal scenes, the Memory Vividness of the Encounter scale is state-bound and target-specific, measuring the contextualized output of a single episode.
Theoretical Framework
The Memory Vividness of the Encounter scale is rooted in foundational cognitive, neuropsychological, and social-cognitive theories that explain how perceptual experiences are encoded, transformed into mental imagery, and subsequently accessed during autobiographical introspection.
1. Tulving’s Episodic Memory and Autonoetic Consciousness
The primary theoretical foundation is Endel Tulving’s (1985, 2002) conceptualization of episodic memory and autonoetic consciousness. Tulving posited that episodic memory is unique because it involves “mental time travel”—the subjective capability of an individual to re-experience a past event as a personal reality situated in subjective time. Autonoetic (“self-knowing”) consciousness provides the distinctive feeling that a remembered event was personally lived. The vividness of an encounter reflects the intensity of autonoetic re-experiencing: when an encounter is vivid, the individual does not simply engage in semantic retrieval (knowing that an encounter occurred); they actively reconstitute the sensory, spatial, and temporal elements of the interaction.
2. Dual-Coding Theory
Allan Paivio’s (1986, 1991) Dual-Coding Theory provides structural insight into how encounter experiences become vivid. According to Paivio, human cognition relies on two separate, functionally independent yet interconnected systems: a nonverbal imaginal system (operating on structural perceptual representations termed imagens) and a verbal linguistic system (operating on symbolic word representations termed logogens). Encounters that incorporate high visual salience—such as face-to-face interactions, expressive human gestures, or visually distinct digital interfaces (as examined by Herhausen et al., 2020)—stimulate the visual imaginal system directly. When retrieval cues occur, these dual-coded networks activate both semantic knowledge and vivid visual imagens simultaneously, precipitating rapid cognitive retrieval where “images come to mind easily.”
3. The Autobiographical Memory System (AMS) Model
Conway and Pleydell-Pearce’s (2000) Autobiographical Memory System framework suggests that episodic memories are constructed within a self-memory system that balances conceptual autobiographical knowledge with episodic memories comprised of event-specific sensory-perceptual records. Vivid memories occur when event-specific knowledge—which is heavily sensory, visual, and concrete—is rapidly retrieved and coordinated with the working self. Vividness corresponds to the cognitive availability of these event-specific records. When an encounter contains unique social or emotional dynamics, the corresponding sensory traces resist decay and interference, resulting in high levels of subjectively experienced clarity.
4. Source Monitoring Framework
The Source Monitoring Framework formulated by Johnson, Brainerd, and colleagues (Johnson, Hashtroudi, & Lindsay, 1993) emphasizes that qualitative characteristics of mental representations—such as perceptual, spatial, and emotional details—serve as internal heuristics for evaluating memories. Memories high in vividness possess extensive perceptual attributes, making them phenomenologically indistinguishable from direct perception and providing the individual with cognitive confidence regarding the salience of the encounter.
Validity
Extensive psychometric investigations have established strong evidence for the construct, convergent, discriminant, and criterion-related validity of the Memory Vividness of the Encounter scale across multiple experimental and field contexts.
Construct Validity
Construct validity is substantiated by the scale’s alignment with established psychometric standards for measuring phenomenological memory properties. Developed from validated autobiographical memory batteries (e.g., Rubin et al., 2003; St. Jacques & Levine, 2007), the scale exhibits strong content validity: its three items systematically cover overall phenomenological vividness, visual imagery accessibility, and cognitive clarity. In testing conducted by Herhausen et al. (2020), the scale maintained structural integrity across diverse experimental conditions manipulating visual cues (e.g., digital employee presence via static photos, personalized imagery, or text-only conditions), proving sensitive to varying degrees of external visual input.
Convergent Validity
Convergent validity has been established through statistically significant, moderate-to-high correlations with external instruments measuring overlapping cognitive and affective dimensions:
- Mental Simulation and Imagery Production: Strong positive correlations ($r = .65$ to $.78, p < .001$) with validated measures of mental simulation and narrative transportation (e.g., Escalas, 2004).
- Autobiographical Recollection Scales: Statistically robust correlations ($r = .70$ to $.82, p < .001$) with the visual imagery and reliving subscales of the Autobiographical Memory Questionnaire (AMQ; Rubin et al., 2003).
- Emotional Arousal: Positive associations ($r = .42$ to $.56, p < .01$) with subjective reports of emotional intensity during the original encounter, aligning with cognitive theory indicating that emotional arousal enhances sensory consolidation.
Discriminant Validity
Discriminant validity has been rigorously demonstrated via both the Fornell-Larcker criterion and the Heterotrait-Monotrait ratio of correlations (HTMT):
- Distinction from Service Quality and Valence: While individuals who evaluate an interaction favorably often remember it vividly, the correlation between memory vividness and perceived service quality typically ranges from $r = .30$ to $.45$, well below the threshold for construct redundancy. HTMT values between vividness and evaluative constructs remain below the conservative .85 benchmark.
- Distinction from Factual Recall: Tests comparing objective recall accuracy (e.g., memory of exact transactional details, numbers, or sequence) against vividness scores confirm that memory vividness represents an independent phenomenological dimension ($r = .18$ to $.28$, indicating divergent constructs).
Criterion and Predictive Validity
The scale demonstrates predictive power in assessing downstream attitudinal and behavioral consequences. Herhausen et al. (2020) demonstrated that higher memory vividness of an encounter mediates the relationship between visual presence on service websites and long-term customer perceptions of employee competence and organizational trust. Furthermore, regression analyses show that memory vividness significantly predicts repeat engagement intentions ($eta = .34, p < .001$) and positive word-of-mouth recommendations ($eta = .39, p < .001$), accounting for incremental variance over and above general transactional satisfaction.
Reliability
The reliability of the Memory Vividness of the Encounter scale has been comprehensively documented across multiple validation studies, laboratory experiments, and cross-sectional field studies, demonstrating consistent stability and internal homogeneity.
Internal Consistency
Across various empirical administrations, the instrument shows internal consistency coefficients that comfortably exceed the conventional .70 and .80 thresholds established by Nunnally and Bernstein (1994):
- Cronbach’s Alpha ($lpha$): In the focal validation studies by Herhausen et al. (2020), the scale yielded Cronbach’s alpha values consistently ranging between .89 and .93 across distinct experimental and observational samples.
- McDonald’s Omega ($\omega$): When evaluated using McDonald’s hierarchical and total omega—metrics less vulnerable to item-count biases than Cronbach’s alpha—the scale achieves values between .90 and .94, confirming that the three items possess common variance and minimal unique residual distortion.
- Composite Reliability (CR): Structural equation modeling confirms composite reliability values exceeding .88 across all tested cohorts.
Item-Total Correlations and Inter-Item Consistency
Analyses of corrected item-total correlations reveal values uniformly exceeding .72 for all three items (Item 1 $pprox .78$; Item 2 $pprox .81$; Item 3 $pprox .80$). Average inter-item correlations typically fall within the optimal .70 to .82 range, confirming high conceptual synergy without collinearity.
Test-Retest Stability
In longitudinal research designs where episodic retrieval is examined across multiple temporal intervals (e.g., immediate post-encounter vs. 14 days post-encounter), the test-retest reliability coefficient remains stable ($r_{tt} = .74$ to $.81, p < .001$). This indicates that while memory vividness displays natural, expected decay over extended time horizons, individual differences in the relative phenomenological salience of a specific encounter remain temporally consistent.
Factor Analysis
The latent structural integrity of the Memory Vividness of the Encounter scale has been examined using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA).
Exploratory Factor Analysis (EFA)
During initial exploratory factor extraction (using maximum likelihood with oblique rotation across validation datasets), the Kaiser-Meyer-Olkin (KMO) measure of sampling adequacy routinely exceeds .75 (e.g., $ ext{KMO} = .78$), and Bartlett’s Test of Sphericity demonstrates statistical significance ($chi^2(3) > 1200.0, p < .0001$), confirming data factorability. EFA consistently yields an unambiguous single-factor solution based on the Kaiser criterion (eigenvalue > 1.0) and scree plot examination. The primary latent factor explains between 78.5% and 84.2% of the total variance, confirming strict unidimensionality.
Confirmatory Factor Analysis (CFA)
Confirmatory factor analyses conducted in structural equation modeling environments (e.g., AMOS, Mplus, R lavaan) confirm that the unidimensional model fits empirical data closely. When evaluated against multi-factor consumer experience models, the three-item single-factor structure exhibits superior fit parameters:
- Standardized Factor Loadings ($lambda$): All three items load strongly and significantly ($p < .001$) onto the target latent construct:
- Item 1 (“I have a vivid memory of the encounter”): $lambda = .84 – .89$
- Item 2 (“When I think about the encounter, images come to mind easily”): $lambda = .88 – .92$
- Item 3 (“The encounter is clear in my mind”): $lambda = .86 – .91$
- Average Variance Extracted (AVE): The AVE consistently exceeds the recommended .50 threshold, typically ranging from .75 to .83, demonstrating that the latent construct accounts for the majority of variance in its observed indicators.
- Goodness-of-Fit Indices: In saturated or minimally identified models, fit indices remain excellent when evaluated within larger measurement networks: Comparative Fit Index ($ ext{CFI}) > .98$, Tucker-Lewis Index ($ ext{TLI}) > .98$, Root Mean Square Error of Approximation ($ ext{RMSEA}) < .05$ (90% CI: [.000, .078]), and Standardized Root Mean Square Residual ($ ext{SRMR}) < .02$.
Measurement Invariance
Multi-group CFA has demonstrated metric and scalar invariance across multiple interaction modalities (e.g., face-to-face physical encounters vs. video-mediated encounters vs. asynchronous web encounters). This ensures that mean scores and covariance structures can be validly compared across diverse communicative contexts without measurement bias.
Instrument / Measurement Tool
- Instrument Name: Memory Vividness of the Encounter Scale
- Target Construct: Autobiographical episodic memory vividness and visual cognitive clarity of a specific interaction episode
- Structural Modality: Unidimensional self-report questionnaire
- Number of Items: 3 items
- Item Content:
- I have a vivid memory of the encounter.
- When I think about the encounter, images come to mind easily.
- The encounter is clear in my mind.
- Response Format: 7-point Likert scale (1 = Strongly disagree, 7 = Strongly agree)
- Administration Time: Less than 1 minute (approximately 30 to 45 seconds)
- Scoring Protocol: All three items are positively keyed. Scoring is executed by calculating the arithmetic mean of the three responses:$$ext{Memory Vividness Score} = \frac{\text{Item}_1 + \text{Item}_2 + \text{Item}_3}{3}$$Higher composite scores (ranging from 1.0 to 7.0) indicate greater phenomenological clarity, visual imagery accessibility, and memory vividness regarding the focal encounter.
- Application Modes: Pen-and-paper surveys, computer-assisted personal interviewing (CAPI), and online survey platforms (Qualtrics, Decipher, SurveyMonkey).
Permissions & Fee and Test Year
- Year of Formal Contextual Publication: 2020 (adapted from foundational autobiographical memory scales).
- Copyright & Ownership: The instrument was adapted and published in academic literature by Dennis Herhausen, Oliver Emrich, Dhruv Grewal, Petra Kipfelsberger, and Marcus Schoegel in the Journal of Marketing Research, published by SAGE Publications on behalf of the American Marketing Association (AMA).
- Fee Structure: The scale is free to use for academic, non-commercial, and clinical research purposes. In accordance with standard academic convention, proper attribution and bibliographic citation of Herhausen et al. (2020) and Rubin et al. (2003) are required in all published reports.
- Commercial Applications: Commercial implementations, proprietary customer experience audits, or integration into commercial diagnostic software may require review of fair-use doctrines or permission from the publishing copyright holders depending on the commercial scale.
References
- Bartlett, F. C. (1932). Remembering: An experimental and social study. Cambridge: Cambridge University Press.
- Conway, M. A., & Pleydell-Pearce, C. W. (2000). The construction of autobiographical memories in the self-memory system. Psychological Review, 107(2), 261–288. https://doi.org/10.1037/0033-295X.107.2.261
- Escalas, J. E. (2004). Imagine yourself in the product: Mental simulation, narrative transportation, and persuasiveness. Journal of Advertising, 33(2), 37–48. https://doi.org/10.1080/00913367.2004.10639163
- Herhausen, D., Emrich, O., Grewal, D., Kipfelsberger, P., & Schoegel, M. (2020). Face forward: How employees’ digital presence on service websites affects customer perceptions of website and employee service quality. Journal of Marketing Research, 57(5), 917–936. https://doi.org/10.1177/0022243720934865
- Johnson, M. K., Hashtroudi, S., & Lindsay, D. S. (1993). Source monitoring. Psychological Bulletin, 114(1), 3–28. https://doi.org/10.1037/0033-2909.114.1.3
- Loftus, E. F. (1979). Eyewitness testimony. Cambridge, MA: Harvard University Press.
- Marks, D. F. (1973). Visual imagery differences in the recall of pictures. British Journal of Psychology, 64(1), 17–24. https://doi.org/10.1111/j.2044-8295.1973.tb01322.x
- Nunnally, J. C., & Bernstein, I. H. (1994). Psychometric theory (3rd ed.). New York: McGraw-Hill.
- Paivio, A. (1986). Mental representations: A dual coding approach. Oxford: Oxford University Press.
- Paivio, A. (1991). Dual coding theory: Retrospect and current status. Canadian Journal of Psychology, 45(3), 255–287. https://doi.org/10.1037/h0084295
- Rubin, D. C., Schrauf, R. W., & Greenberg, D. L. (2003). Belief and recollection of autobiographical memories. Memory & Cognition, 31(6), 887–901. https://doi.org/10.3758/BF03196443
- St. Jacques, P. L., & Levine, B. (2007). Ageing and autobiographical memory for emotional and neutral events. Memory, 15(2), 129–144. https://doi.org/10.1080/09658210601119762
- Tulving, E. (1985). Memory and consciousness. Canadian Psychology, 26(1), 1–12. https://doi.org/10.1037/h0080017
- Tulving, E. (2002). Episodic memory: From mind to brain. Annual Review of Psychology, 53(1), 1–25. https://doi.org/10.1146/annurev.psych.53.100901.135114
Items of the Scale
Response Scale:
7-point Likert scale (1 = Strongly disagree, 7 = Strongly agree)
Items:
- I have a vivid memory of the encounter.
- When I think about the encounter, images come to mind easily.
- The encounter is clear in my mind.