Table of Contents
Abstract
The Tolerance for Ambiguity Scale (TAS) is a specialized psychological instrument designed to assess an individual’s reaction to situations that are novel, complex, unpredictable, or lack clear structure. While originating from the foundational work of Budner (1962) on intolerance of ambiguity as a personality variable, the version presented here is the refined 12-item measure developed by Herman, Stevens, Bird, Mendenhall, and Oddou (2010). This refined TAS was specifically constructed to improve measurement quality within international management and intercultural competence research, offering a more precise tool for determining an individual’s readiness and comfort level in diverse and uncertain environments.
Keywords
Tolerance for Ambiguity, TAS, personality variable, intercultural competence, cross-cultural adjustment, psychological scale, international management, uncertainty.
Authors
Jeffrey L. Herman, M. J. Stevens, Allan Bird, Mark Mendenhall, Gary Oddou (Herman et al., 2010); foundational work by Seymour Budner (1962).
Purpose
The primary purpose of the TAS is to quantify the degree to which an individual perceives ambiguous situations—those characterized by insufficient information, novelty, or complexity—as either threatening and undesirable or challenging and attractive. In the context of the 2010 revision, the scale is particularly valuable for predicting success and adjustment in global assignments, measuring an individual’s openness to diverse perspectives and unfamiliar experiences necessary for effective cross-cultural interaction. The scale differentiates between those who seek structure and clarity and those who thrive in conditions of uncertainty.
Construct
The TAS measures the psychological construct of Tolerance for Ambiguity (TA). TA is defined as the tendency to perceive ambiguous situations as desirable. Ambiguity arises when information is incomplete, multiple interpretations are possible, or the future consequences are unclear. Individuals low in TA (high in intolerance) tend to experience anxiety and discomfort when faced with uncertainty, preferring structured, predictable environments. Conversely, those high in TA are more likely to exhibit resilience, cognitive flexibility, and openness to novel ideas, seeing ambiguous circumstances as opportunities for growth rather than sources of threat. The refined TAS focuses on specific facets of ambiguity relevant to global interaction, such as comfort with diverse others and unfamiliarity.
Validity
The revised TAS (Herman et al., 2010) demonstrates enhanced construct validity compared to earlier measures, particularly within the domain of international research. Its items were designed to align specifically with behavioral indicators of cross-cultural adaptation and global mindset, ensuring that the scale measures the intended construct in relevant settings. Research, such as that by Herman and Tetrick (2009), utilized related measures to establish predictive validity, linking tolerance for ambiguity to adaptive outcomes, such as the use of problem-focused coping strategies during repatriation adjustment, confirming its relevance to managing complex life transitions.
Reliability
Reliability of the TAS is established primarily through internal consistency, demonstrating that the items coherently measure the single underlying construct of Tolerance for Ambiguity. While specific Cronbach’s alpha values are not provided in the source excerpt, the successful identification of a clear factor structure in the 2010 refinement supports its internal reliability. The factor loadings provided for the sub-domains (e.g., Diverse-others = 0.58; Change = 0.51) indicate that the items load strongly onto meaningful dimensions, confirming the scale’s structural consistency.
Factor Analysis
The 12-item TAS developed by Herman et al. (2010) was subjected to factor analysis to ensure a robust and refined measure suitable for international management research. This analysis revealed a multi-faceted structure of ambiguity tolerance, suggesting that the construct is not monolithic but comprises several related dimensions. The key factors identified, along with their associated loadings, are:
- Diverse others (Factor Loading: 0.58)
- Change (Factor Loading: 0.51)
- Challenging perspectives (Factor Loading: 0.56)
- Unfamiliarity (Factor Loading: 0.53)
These factors collectively capture an individual’s ability to engage positively with novelty, difference, and cognitive dissonance, providing a nuanced understanding of their overall tolerance for ambiguity.
Instrument
Test Type: Self-report Psychological Test
Format: 5-point Likert Scale
Language Available: Primarily English (Original research context)
Population Group: Adults (particularly those engaged in professional, educational, or cross-cultural settings)
Age Group: Typically 18+
Population Details: Used extensively in studies involving managers, expatriates, students, and employees whose roles require high levels of adaptability and interaction with cultural diversity.
Test Methodology: Respondents rate their level of agreement with each statement using the following scale: ‘‘1 = Strongly Disagree’’ to ‘‘5 = Strongly Agree’’. Several items are reverse-coded to mitigate response bias.
Keywords
Tolerance for Ambiguity Scale, TA, cross-cultural training, personality assessment, psychometric instrument, coping strategies, global mindset.
Authors
Author ORCID Identifier: N/A (Information not provided in source material)
Affiliation Email addresses: N/A (Information not provided in source material)
Correspondence Address: N/A (Information not provided in source material)
Permissions & Fee and Test Year
The 12-item TAS was published and refined in 2010 by Herman et al. The original concept dates back to Budner (1962). The scale is generally available for use in academic research, often requiring citation of the primary sources. The original PDF for this instrument can be downloaded here: The Tolerance for Ambiguity Scale.
Reference’s
The following academic works are crucial to the development and application of the Tolerance for Ambiguity Scale (TAS):
- Budner, S. (1962). Intolerance of ambiguity as a personality variable. Journal of Personality, 30(1), 29–50.
- Herman, J. L., & Tetrick, L. E. (2009). Problem-focused versus emotion-focused coping strategies and repatriation adjustment. Human Resource Management, 48(1), 69–88.
- Herman, Jeffrey L., Stevens, M. J., Bird, A., Mendenhall, M., Oddou, G. (2010). The Tolerance for Ambiguity Scale: Towards a more refined measure for international management research. International Journal of Intercultural Relations, 34, 58-65.
Items of the Tolerance for Ambiguity Scale (TAS)
IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.
- I avoid settings where people don’t share my values. [Reverse Coded]
- I can enjoy being with people whose values are very different from mine.
- I would like to live in a foreign country for a while.
- I like to surround myself with things that are familiar to me. [Reverse Coded]
- The sooner we all acquire similar values and ideals the better. [Reverse Coded]
- I can be comfortable with nearly all kinds of people.
- If given a choice‚ I will usually visit a foreign country rather than vacation at home.
- A good teacher is one who makes you wonder about your way of looking at things.
- A good job is one where what is to be done and how it is to be done are always clear. [Reverse Coded]
- A person who leads an even‚ regular life in which few surprises or unexpected happenings arise really has a lot to be grateful for. [Reverse Coded]
- What we are used to is always preferable to what is unfamiliar. [Reverse Coded]
- I like parties where I know most of the people more than ones where all or most of the people are complete strangers.[Reverse Coded]
Cite this article
Mohammed looti (2025). Tolerance for Ambiguity Scale (TAS). Psychological Scales & Instruments Database. Retrieved from https://db.arabpsychology.com/scales/tolerance-for-ambiguity-scale-tas-2/
Mohammed looti. "Tolerance for Ambiguity Scale (TAS)." Psychological Scales & Instruments Database, 14 Oct. 2025, https://db.arabpsychology.com/scales/tolerance-for-ambiguity-scale-tas-2/.
Mohammed looti. "Tolerance for Ambiguity Scale (TAS)." Psychological Scales & Instruments Database, 2025. https://db.arabpsychology.com/scales/tolerance-for-ambiguity-scale-tas-2/.
Mohammed looti (2025) 'Tolerance for Ambiguity Scale (TAS)', Psychological Scales & Instruments Database. Available at: https://db.arabpsychology.com/scales/tolerance-for-ambiguity-scale-tas-2/.
[1] Mohammed looti, "Tolerance for Ambiguity Scale (TAS)," Psychological Scales & Instruments Database, vol. X, no. Y, ص Z-Z, October, 2025.
Mohammed looti. Tolerance for Ambiguity Scale (TAS). Psychological Scales & Instruments Database. 2025;vol(issue):pages.