Individualism and Collectivism Scale – Triandis

Abstract

The Individualism and Collectivism Scale (ICS), often referred to as the Culture Orientation Scale, was developed by Harry C. Triandis and Michele J. Gelfland in 1998. This instrument is a seminal psychological scale designed to measure individual differences in Individualism and Collectivism (IC) by conceptualizing these orientations along two orthogonal dimensions: self-construal (individual vs. collective) and social structure (equality vs. hierarchy). The scale operationalizes IC into four distinct, measurable dimensions—Horizontal Individualism (HI), Vertical Individualism (VI), Horizontal Collectivism (HC), and Vertical Collectivism (VC)—providing a refined, four-factor model that significantly enhances the study of culture in psychology.

Keywords

Individualism, Collectivism, Horizontal Individualism, Vertical Individualism, Horizontal Collectivism, Vertical Collectivism, Culture, Cultural dimensions theory, Triandis, Cultural orientation.

Authors

Harry C. Triandis, Michele J. Gelfland

Purpose

The primary purpose of the Individualism and Collectivism Scale is to assess how individuals perceive their relationship with others and society, specifically regarding autonomy and the acceptance of social hierarchy. It serves as a comprehensive tool for researchers studying the psychological manifestations of Individualism and Collectivism.

By differentiating between horizontal (equality focused) and vertical (hierarchy focused) orientations, the scale provides a nuanced framework for cross-cultural analysis. This approach allows researchers to identify subtle yet critical differences in self-construal that are often masked when using older, unidimensional measures of cultural values.

Construct

The scale measures a complex, four-dimensional construct of cultural orientation. The core theoretical contribution of Triandis’s model is the integration of the concepts of self-construal (individual vs. collective) and power distance or social structure (horizontal/equality vs. vertical/hierarchy).

The four constructs measured are:

1. Horizontal Individualism (HI): Defined as seeing the self as fully autonomous, with the belief that equality between individuals is the ideal state. This orientation emphasizes uniqueness and self-reliance without a strong focus on achieving status above others.
2. Vertical Individualism (VI): Defined as seeing the self as fully autonomous, but recognizing and accepting that inequality naturally exists among individuals. This dimension is strongly associated with competition, achievement, and striving for high social standing and personal superiority.
3. Horizontal Collectivism (HC): Defined as seeing the self as part of a collective but perceiving all the members of that collective as equal. The focus is on interdependence, sociability, and common goals without submission to formalized hierarchy.
4. Vertical Collectivism (VC): Defined as seeing the self as a part of a collective and being willing to accept hierarchy and inequality within that collective. This orientation emphasizes duty, sacrifice for the in-group, and respect for authority figures and tradition.

Validity

The initial validation studies conducted by Triandis and Gelfland (1998) established strong construct validity for the four-factor model using both exploratory and confirmatory factor analyses. The items loaded distinctly onto their respective factors, confirming that the four dimensions are separable constructs.

The scale has demonstrated expected patterns of convergent and discriminant validity. For example, Vertical Individualism typically correlates positively with personality traits related to competitiveness and dominance, while Horizontal Collectivism shows correlations with traits associated with interdependence and harmony. Its widespread application in cross-cultural psychological research further supports its external and ecological validity across diverse global populations.

Reliability

The internal consistency of the four subscales, measured using Cronbach’s Alpha, indicates good to acceptable reliability across the dimensions in the original validation studies (Triandis & Gelfland, 1998).

• Horizontal Individualism (HI): Alpha = 0.81
• Vertical Individualism (VI): Alpha = 0.82
• Horizontal Collectivism (HC): Alpha = 0.80
• Vertical Collectivism (VC): Alpha = 0.73

These reliability coefficients confirm that the items within each subscale consistently measure their underlying construct. The alpha values meet or exceed the typical standard threshold for established psychological instruments, ensuring that the scale provides stable and consistent measurement for research purposes.

Factor Analysis

The scale’s theoretical foundation relies on a clear four-factor structure, which was empirically confirmed through factor analysis in the foundational research. This analysis demonstrated that the 16 items cleanly distribute among the four hypothesized factors (HI, VI, HC, VC), confirming the structural integrity of the model.

The finding that the four factors are distinguishable supports the notion that cultural orientation is not merely a bipolar continuum (Individualism vs. Collectivism) but rather a complex space defined by the interaction between the individual’s self-concept and their acceptance of societal structure. This dimensionality provides significantly greater explanatory power in predicting behavior across cultural contexts than previous models.

Instrument

Test Type: Psychological scale; Self-Report Questionnaire

Format: 16 items in total, comprising four items for each of the four subscales (HI, VI, HC, VC). Responses are gathered using a 9-point Likert-type response scale.

Language Available: English (original validation); widely translated and adapted for use in numerous languages for global research.

Population Group: General population; utilized extensively in student and cross-cultural samples.

Age Group: Adolescents and Adults (typically 18+).

Population Details: Applicable for measuring cultural self-construal across diverse societal and academic contexts.

Test Methodology: Respondents rate their agreement with each statement on a 9-point scale where 1 = never or definitely no and 9 = always or definitely yes. Subscale scores are calculated by averaging or summing the responses to the four items corresponding to that dimension. High scores indicate a stronger endorsement of that specific orientation.

Keywords

Self-construal, Cultural psychology, Social psychology, Cross-cultural research, Autonomy, Hierarchy, Equality, IC model, Internal consistency.

Authors

Author ORCID Identifier: Unknown

Affiliation Email addresses: Unknown

Correspondence Address: Unknown

Permissions & Fee and Test Year

The scale was first published in 1998 in the Journal of Personality and Social Psychology. As a standard academic instrument, it is generally available for non-commercial academic research purposes without a direct usage fee, provided proper citation is given to the original authors and publication.

The original PDF of the instrument can be downloaded here: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.335.1722&rep=rep1&type=pdf

Additional resources detailing the scale and its usage are available here: http://fetzer.org/sites/default/files/images/stories/pdf/selfmeasures/CollectiveOrientation.pdf and http://www.rjap.psihologietm.ro/Download/rjap131_2.pdf

Reference’s

1. Triandis, H. C. & Gelfland, M. J. (1998). Converging measurement of horizontal and vertical individualism and collectivism. Journal of Personality and Social Psychology, 74, 118-128.
2. Triandis, H. C. (2001). Individualism-collectivism and personality. Journal of Personality, 69, 907–924.

Items of the Individualism and Collectivism Scale – Triandis

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

Horizontal individualism items:

1. I’d rather depend on myself than others.
2. I rely on myself most of the time; I rarely rely on others.
3. I often do “my own thing.”
4. My personal identity‚ independent of others‚ is very important to me.

Vertical individualism items:

1. It is important that I do my job better than others.
2. Winning is everything.
3. Competition is the law of nature.
4. When another person does better than I do‚ I get tense and aroused.

Horizontal collectivism items:

1. If a coworker gets a prize‚ I would feel proud.
2. The well-being of my coworkers is important to me.
3. To me‚ pleasure is spending time with others.
4. I feel good when I cooperate with others.

Vertical collectivism items:

1. Parents and children must stay together as much as possible.
2. It is my duty to take care of my family‚ even when 1 have to sacrifice what I want.
3. Family members should stick together‚ no matter what sacrifices are required.
4. It is important to me that I respect the decisions made by my groups.