The Acculturation Scale

1. Abstract

The Acculturation Scale—formally established and validated in empirical literature as the Acculturation Scale for Vietnamese Adolescents (ASVA) by Huong Nguyen and Alexander von Eye (2002)—is a comprehensive, psychometrically robust psychometric instrument designed to evaluate the multidimensional and bidimensional acculturation processes among immigrant and refugee youth of Vietnamese descent. Grounded in contemporary cross-cultural and developmental frameworks, the ASVA diverges from obsolete unidimensional models that conceptualize assimilation as an inevitable zero-sum trade-off. Instead, it measures cultural adaptation along two independent, orthogonal axes: retention of the heritage culture (Vietnamese enculturation) and acquisition of the host culture (American acculturation).

The scale comprises 76 items organized into two complementary assessment modalities: Part I (Items 1–56) measures cultural values, attitudes, normative family expectations, and identity affiliations using a 5-point Likert agreement scale ranging from 1 (Strongly disagree) to 5 (Strongly agree); Part II (Items 57–76) assesses the behavioral frequency of daily cultural practices across domains such as language usage, media consumption, interpersonal peer networks, dietary habits, and community participation using a 5-point Likert frequency scale ranging from 1 (Never) to 5 (Always). Extensively validated using exploratory and confirmatory factor analysis, structural equation modeling, and item-response principles, the ASVA demonstrates exemplary psychometric properties, exhibiting internal consistency coefficients (α) regularly exceeding .80 to .90 across subscales, well-established convergent and discriminant validity, and robust predictive capacity for adolescent psychological adjustment, parent-child cultural conflict, and academic achievement.

2. Keywords

Acculturation, Enculturation, Acculturation Scale for Vietnamese Adolescents, ASVA, Bidimensional Acculturation, Cross-Cultural Assessment, Psychometrics, Adolescent Development, Immigrant Mental Health, Ethnic Identity, Cultural Adaptation, Family Conflict.

3. Authors

The instrument was developed and standardized by two prominent scholars in cross-cultural psychology, developmental science, and quantitative methodology:

• Huong H. Nguyen, Ph.D.: Developmental and cultural psychologist whose research focuses on immigrant adaptation, Asian American child and adolescent development, ethnic minority identity formation, and cross-cultural psychometrics. Primary affiliation: Department of Psychology, Michigan State University, East Lansing, MI, USA.
• Alexander von Eye, Ph.D.: Professor Emeritus of Psychology at Michigan State University. An internationally distinguished quantitative methodologist, statistician, and developmentalist, Dr. von Eye is renowned for his pioneering contributions to configural frequency analysis, categorical longitudinal data modeling, structural equation modeling, and cross-cultural developmental measurement design.

4. Purpose

The Acculturation Scale was designed to resolve substantial theoretical and clinical gaps in the assessment of Southeast Asian refugee and immigrant populations in Western host nations. Following the conclusion of the Vietnam War and the subsequent resettlement waves of the late 20th century, hundreds of thousands of Vietnamese families relocated to North America, Western Europe, and Australasia. Adolescents within these communities found themselves navigating two contrasting social universes: the collectivistic, family-centric, and hierarchical traditions of their heritage homeland, and the individualistic, autonomy-granting, egalitarian ethos of mainstream American society.

Theoretical Rationale

Prior to the establishment of instruments like the ASVA, cross-cultural researchers frequently utilized unidimensional scales that situated “Vietnamese” at one pole and “American” at the opposing pole. This approach assumed that acquisition of American norms necessitated an equivalent abandonment of Vietnamese identity. The ASVA was purposely designed on a bidimensional paradigm to reflect the psychological reality that an adolescent can simultaneously maintain deep pride in Vietnamese traditions while achieving fluent, enthusiastic participation in contemporary American life.

Research Applications

In empirical research, the ASVA serves as a criterion instrument for investigating:

• Intergenerational Acculturation Gaps: Discrepancies between immigrant parents and their offspring, commonly operationalized as a major risk factor for heightened family strife, alienation, and psychological distress.
• Health Disparities and Risk Behaviors: Epidemiological studies exploring how levels of host culture adoption correlate with substance use, mental health service utilization, and depressive symptomatology.
• Academic Resiliency: The protective function of bicultural competence in promoting positive academic trajectories among language-minority and immigrant students.

Clinical and Educational Settings

In clinical child and adolescent psychology, community mental health centers, and school counseling offices, the ASVA provides clinicians with an empirical profile of an adolescent’s cultural orientation. Identifying whether a client is experiencing marginalization (low attachment to both cultures) or navigating severe normative dissonance between family obligations and peer autonomy empowers practitioners to tailor culturally responsive interventions, such as bicultural efficacy training or culturally adapted family therapy.

5. Psychological Construct

The psychological construct evaluated by the ASVA is bidimensional acculturation, encompassing the cognitive, affective, normative, and behavioral modifications that transpire when individuals from one cultural sphere experience sustained direct contact with a distinct host culture. The scale assesses this overarching construct through two broad operational orientations, each spanning several interconnected domains:

1. The Vietnamese Cultural Orientation (Enculturation)

This domain captures an individual’s psychological, relational, and behavioral ties to traditional Vietnamese cultural systems. It assesses:

• Family Obligations and Filial Piety (Hiếu Thảo): Normative beliefs regarding respect for elders, deference to parental authority, prioritized family welfare over personal ambition, and intergenerational caregiving responsibilities (e.g., Item 29: It is the children’s responsibility to take care of their elders; Item 50: I believe that my actions should be based mainly on the well-being of the family).
• Traditional Gender and Developmental Roles: Adherence to traditional expectations concerning female domesticity, dating boundaries, and marriage decisions governed by parental oversight (e.g., Item 7, Item 34, Item 55).
• Cultural Pride and Preservation: Emotional investment in retaining ancestral customs, knowledge of national history, and deliberate heritage maintenance (e.g., Item 3, Item 16, Item 39).
• Behavioral Enculturation: Concrete frequency of speaking the Vietnamese language, consuming traditional foods, engaging with Vietnamese media, and socializing within co-ethnic peer circles (Items 59, 60, 64, 71, 74).

2. The American Cultural Orientation (Acculturation)

This domain captures integration into mainstream American values, lifestyle patterns, and social structures. It assesses:

• Individualism, Egalitarianism, and Autonomy: Beliefs in personal agency, democratic family decision-making, youth independence, and the prerogative to question authority (e.g., Item 5: It is all right for boys/girls to choose their own career; Item 11: It is okay to question parents’ authority/judgment/decisions; Item 24: Family matters should be handled democratically).
• Host Culture Affiliation: Identification with American behavioral styles, modern youth culture, and openness to inter-ethnic friendship and romance (e.g., Item 25, Item 40).
• Behavioral Acculturation: The overt frequency of speaking English, consuming American popular entertainment, reading domestic press, and participating in mainstream extracurricular organizations (Items 57, 58, 61, 63, 67, 72, 76).

6. Theoretical Framework

The ASVA is grounded in classical and modern frameworks from developmental psychology, cross-cultural psychology, and sociolinguistic theory:

Berry’s Bidimensional Model of Acculturation

The foundational bedrock of the ASVA is John W. Berry’s (1980, 1997) landmark formulation of acculturation. Berry posited that acculturation must be evaluated across two independent, non-mutually exclusive dimensions addressing two core issues:

1. Is it considered of value to maintain one’s cultural heritage and identity?
2. Is it considered of value to seek relationships with and participate in the daily life of the larger host society?

Crossing these two orthogonal dimensions yields four distinct acculturative typologies: Integration (high heritage retention, high host adoption; biculturalism); Assimilation (low heritage retention, high host adoption); Separation (high heritage retention, low host adoption); and Marginalization (low heritage retention, low host adoption). The ASVA directly operationalizes this 2 × 2 typology by generating independent continuous scores for both orientations rather than forcing respondents onto a single bipolar continuum.

Developmental Contextualism and Ecological Systems Theory

The scale integrates Urie Bronfenbrenner’s ecological systems theory and Richard Lerner’s developmental contextualism. Immigrant adolescents develop within nested, interacting ecosystems: the microsystem of the home (where Vietnamese norms, filial duties, and ancestral language predominate) and the microsystems of the school and peer group (where American cultural norms, English fluency, and egalitarian peer values dominate). Acculturation is conceptualized not as a fixed static trait, but as a dynamic developmental transaction wherein youth construct their social identities by actively negotiating the demands of these contrasting microsystems.

Social Identity and Self-Categorization Theories

The attitudinal dimensions of the ASVA reflect Henri Tajfel and John Turner’s Social Identity Theory. Items evaluating feelings of ease, subjective self-labeling (e.g., Item 25 and Item 47), and preferences for ingroup versus outgroup companionship measure the degree to which an adolescent derives their self-concept from membership in their ethnic group, the host national group, or both.

7. Validity

The psychometric integrity of the ASVA has been substantiated through rigorous validation procedures documented in the original psychometric investigation by Nguyen and von Eye (2002), as well as subsequent cross-cultural studies.

Construct and Factorial Validity

Construct validity was established by demonstrating that a bidimensional factor structure exhibits superior statistical fit compared to alternative unidimensional or single-factor models. Confirmatory factor analytic investigations consistently confirm that modeling Vietnamese orientation and American orientation as distinct latent factors accounts for the covariation among behavioral and attitudinal items far better than any bipolar model where ethnic maintenance is constrained to correlate negatively at unity with host adaptation.

Convergent and Discriminant Validity

The scale exhibits robust convergent validity through its associations with objective demographic markers and established psychological indices:

• Generational Status and Length of Residence: Scores on the American orientation dimensions correlate positively with years of residence in the United States and generational status (second-generation adolescents score significantly higher on American cultural involvement than first-generation or recent arrivals). Conversely, Vietnamese cultural orientation scores correlate positively with age of arrival and percentage of life spent in Vietnam.
• Language Proficiency: The behavioral language items on the ASVA show strong positive correlations (r > .60) with formal objective English and Vietnamese literacy and fluency metrics.
• Discriminant Validity: Discriminant validity has been demonstrated by showing that the ASVA measures cultural orientation distinct from generalized cognitive ability, socioeconomic status, and non-culture-specific social desirability response styles.

Predictive and Criterion-Related Validity

The ASVA reliably predicts critical developmental and psychological outcomes among youth:

• Parent-Adolescent Acculturation Gaps: When parent and adolescent ASVA scores are compared, larger discrepancies—especially in the family values and autonomy subdomains—predict heightened parent-child conflict, family dissatisfaction, and diminished communicative openness.
• Psychological Well-Being: Adolescents categorized as Integrated (bicultural) based on median splits or cluster analyses of ASVA dimensions systematically exhibit lower depression scores, higher self-esteem, and superior adaptive functioning compared to youth categorized as Marginalized.

8. Reliability

The Acculturation Scale demonstrates high statistical reliability across diverse demographic strata of Vietnamese youth.

Internal Consistency

In the foundational psychometric analyses conducted by Nguyen and von Eye (2002), internal consistency reliability was assessed using Cronbach’s alpha coefficient (α) for both the higher-order scales and the lower-order subscales:

• Vietnamese Cultural Involvement Composite: Exhibits strong internal consistency, with α coefficients typically ranging between .88 and .93 across validation samples.
• American Cultural Involvement Composite: Exhibits comparable consistency, with α coefficients typically falling between .85 and .91.
• Behavioral Scales (Items 57–76): The 20-item behavioral frequency battery exhibits α = .86 for the Vietnamese behavioral domain and α = .84 for the American behavioral domain.
• Attitudinal and Value Scales (Items 1–56): Individual value domains (e.g., Filial Piety, Egalitarianism, Cultural Pride) yield alpha coefficients ranging from acceptable (.72) to excellent (.89).

Temporal Stability (Test-Retest Reliability)

Subsequent longitudinal and short-interval administrations have demonstrated stable test-retest reliability over 4- to 8-week intervals, with intraclass correlation coefficients (ICCs) and Pearson correlation coefficients consistently exceeding r = .80, indicating that the scale captures enduring cultural dispositions rather than transient mood states.

9. Factor Analysis

The structural dimensionality of the ASVA was evaluated using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) to assess item loading patterns and confirm structural validity.

Exploratory Factor Analysis (EFA)

Initial EFAs utilizing principal axis factoring with both orthogonal (Varimax) and oblique (Promax) rotations revealed a robust multi-factor architecture subsumed under two higher-order orthogonal dimensions: Vietnamese Involvement and American Involvement. Across iterations, items cleanly segregated according to cultural orientation:

• Vietnamese-focused items (e.g., listening to Vietnamese music, filial duties, respecting elders, pride in heritage) loaded strongly onto the Vietnamese factor (loadings ranging from .42 to .81).
• American-focused items (e.g., American media, personal autonomy, youth independence, democratic family processes) loaded strongly onto the American factor (loadings ranging from .39 to .78).
• Cross-loadings across cultural dimensions were minimal, supporting the independence of the two constructs.

Confirmatory Factor Analysis (CFA) and Model Fit

Nguyen and von Eye tested competing theoretical structural models via structural equation modeling. The two-factor higher-order model (separating American from Vietnamese orientations across cognitive, attitudinal, and behavioral domains) yielded excellent fit indices across sample cohorts:

• Goodness-of-Fit Index (GFI): > .90
• Comparative Fit Index (CFI): > .91
• Root Mean Square Error of Approximation (RMSEA): ≤ .055 (with 90% confidence intervals indicating tight precision)
• Standardized Root Mean Square Residual (SRMR): ≤ .058

Alternative unidimensional models, in which American and Vietnamese items were forced to define opposite ends of a single latent factor, exhibited poor fit indices (CFI < .70; RMSEA > .11), providing mathematical proof of the necessity of a bidimensional conceptualization.

10. Instrument / Measurement Tool

The Acculturation Scale for Vietnamese Adolescents is structured as follows:

• Test Type: Multi-item, self-report psychological questionnaire.
• Target Population: Vietnamese immigrant, refugee, and second-generation adolescents and young adults (typically ages 11 to 22).
• Item Count: 76 items total.
  • Part I (Attitudes, Values, Norms): 56 items (Items 1–56).
  • Part II (Behavioral Frequency): 20 items (Items 57–76).
• Administration Format: Paper-and-pencil or secure computer/online administration; self-administered individually or in small group settings.
• Estimated Completion Time: 20 to 30 minutes.
• Authentic Response Scales:
  • Part I (Items 1–56): 5-point Likert scale:
    • 1 = Strongly disagree
    • 2 = Disagree
    • 3 = (Neither agree nor disagree) neutral
    • 4 = Agree
    • 5 = Strongly agree
  • Part II (Items 57–76): 5-point behavioral frequency scale introduced with the authentic prompt: “The next questions are a little bit different from those above. So read them carefully. They are about your behaviors —how often you engage in certain activities. Please circle the answer that best fits you: 1 =Never; 2 =Rarely; 3 =Sometimes; 4 =Often; 5 =always Never Rarely Sometimes Often Always”
• Scoring Procedures:
  • Continuous Subscale Scores: Subscale means or sums are calculated separately for the Vietnamese Cultural Orientation and the American Cultural Orientation across behavioral and attitudinal domains.
  • Categorical Typology Scoring: Median splits or cluster analysis on the Vietnamese and American composite scores allow categorization of respondents into Berry’s four acculturative quadrants: Integration (High Vietnamese, High American), Assimilation (Low Vietnamese, High American), Separation (High Vietnamese, Low American), and Marginalization (Low Vietnamese, Low American).

11. Permissions & Fee and Test Year

• Year of Formal Publication: 2002.
• Original Copyright Holders: International Society for the Study of Behavioural Development (ISSBD), published by Sage Publications Ltd., reproduced with permission from Huong Nguyen, Ph.D.
• Licensing and Accessibility: The scale was published for academic and scholarly research in the International Journal of Behavioral Development (Vol. 26, Issue 3, pp. 202–213). Researchers and qualified mental health clinicians may utilize the scale for non-commercial scientific, educational, and clinical evaluation purposes without payment of royalty fees, provided appropriate bibliographic attribution is granted to the original authors. Commercial distribution, translation into other commercial testing batteries, or software repackaging requires written permission from the copyright holders.

12. References

• Berry, J. W. (1980). Acculturation as varieties of adaptation. In A. M. Padilla (Ed.), Acculturation: Theory, models, and some new findings (pp. 9–25). Westview Press.
• Berry, J. W. (1997). Immigration, acculturation, and adaptation. Applied Psychology, 46(1), 5–34. https://doi.org/10.1111/j.1464-0597.1997.tb01087.x
• Bronfenbrenner, U. (1979). The ecology of human development: Experiments by nature and design. Harvard University Press.
• Nguyen, H. H., & von Eye, A. (2002). The Acculturation Scale for Vietnamese Adolescents (ASVA): A bidimensional perspective. International Journal of Behavioral Development, 26(3), 202–213. https://doi.org/10.1080/01650250143000175
• Phinney, J. S. (1990). Ethnic identity in adolescents and adults: Review of research. Psychological Bulletin, 108(3), 499–514. https://doi.org/10.1037/0033-2909.108.3.499
• Tajfel, H., & Turner, J. C. (1986). The social identity theory of intergroup behavior. In S. Worchel & W. G. Austin (Eds.), Psychology of intergroup relations (pp. 7–24). Nelson-Hall.
• von Eye, A., & Bergman, L. R. (2003). Research strategies in developmental psychopathology: Dimensional identity and the person-oriented approach. Development and Psychopathology, 15(3), 553–580. https://doi.org/10.1017/s0954579403000294

13. Items of the Scale