Grit Scale

Abstract

The Grit Scale is a widely utilized psychological scale developed by Angela Duckworth and colleagues to measure the trait of grit, defined as perseverance and passion for long-term goals. The scale exists in several versions, including the original 17-item measure (which incorporated Ambition), a 12-item version, and the commonly used 8-item Short Grit Scale (Grit-S). It assesses an individual’s dispositional tendency to sustain effort and interest over extended periods, reflecting a deep commitment to high-level goals despite encountering setbacks or failure.

The instrument is designed to quantify this non-cognitive trait, which has been shown to be highly predictive of achievement in challenging domains, often independently of measures of intelligence or innate talent. The various versions of the scale allow researchers flexibility in application, depending on the need for comprehensive assessment versus brevity.

Keywords

Grit, Perseverance of Effort, Consistency of Interest, Ambition, Long-term goals, Psychological assessment, Duckworth, Passion, Achievement.

Authors

Angela L. Duckworth, Christopher Peterson, Michael D. Matthews, Dennis R. Kelly, Patrick D. Quinn.

Purpose

The primary purpose of the Grit Scale is to provide a reliable and valid self-report measure of an individual’s disposition toward sustained effort and commitment in the pursuit of major goals. By quantifying the two key components of grit—Perseverance of Effort and Consistency of Interest—the scale allows researchers to study how this trait contributes to success across diverse populations and settings.

The instrument helps distinguish between individuals who possess high levels of discipline and persistence from those who are easily diverted by novelty or discouraged by initial failure. Ultimately, the scale serves as a predictive tool for success in demanding environments, ranging from academic settings to professional careers.

Construct

The core psychological construct measured by the scale is Grit, conceptualized as a combination of two distinct but related facets that are essential for long-term goal attainment. These two primary factors are Perseverance of Effort and Consistency of Interest. The original 17-item scale also explored a third factor, Ambition, which addresses the drive to achieve lasting importance and success.

• Perseverance of Effort: This factor captures the tendency to work diligently, maintain effort, and exhibit resilience in the face of adversity. High scores reflect an individual who views setbacks not as reasons to quit, but as opportunities to persist harder.
• Consistency of Interest: This factor measures the stability of an individual’s commitment to their primary goals and pursuits over time. Items related to this dimension are often reverse-scored and assess the propensity to frequently change hobbies or abandon long-term projects for newer, more appealing interests.
• Ambition (in 17-item version only): This factor relates to an intense desire to achieve significant, lasting success and to be the best in one’s chosen field.

Validity

The Grit Scale demonstrates strong empirical support for its validity. Studies have consistently shown acceptable predictive validity, indicating that grit scores correlate positively with measurable long-term outcomes, such as higher GPA, fewer career changes, and greater longevity in challenging training programs, even after controlling for baseline cognitive ability and talent. This suggests that the scale effectively measures the hypothesized non-cognitive factor responsible for sustained high performance.

Furthermore, the scale exhibits good convergent validity, showing expected positive correlations with established measures of conscientiousness, a key factor in the Big Five personality model. Crucially, the scale maintains adequate discriminant validity by demonstrating that grit is not merely a restatement of conscientiousness or intelligence, but rather a unique motivational and behavioral construct specifically tailored to long-term passion and persistence.

Reliability

The reliability of the Grit Scale has been confirmed across its various iterations. Internal consistency, typically measured using Cronbach’s alpha, is reported to be acceptable for both the full scale and its subscales (Perseverance of Effort and Consistency of Interest). Specifically, the 8-item Short Grit Scale (Grit-S) was developed and validated with strong internal consistency scores, making it a reliable tool for quick assessment in research settings.

Test-retest reliability studies have also affirmed that grit functions as a stable personality trait, with scores remaining consistent over periods of several months to a year, reinforcing its utility as a measure of dispositional tendency rather than a temporary state.

Factor Analysis

The factor analysis of the Grit Scale has evolved with its development. The original 17-item measure, which included items related to ambition, suggested a three-factor structure (Consistency of Interest, Perseverance of Effort, and Ambition). However, the most widely accepted and frequently utilized factor structure, especially for the 8-item and 12-item versions, is a two-factor model.

Confirmatory factor analysis (CFA) often supports the distinction between Perseverance of Effort and Consistency of Interest as separate, yet highly correlated, dimensions contributing to the overall construct of grit. This two-factor structure is central to the operational definition of grit as persistence combined with stability of purpose.

Instrument

Test Type: Self-report psychological scale

Format: Multiple versions are available: the original 17-item Grit and Ambition Scale, the 12-item Grit Scale, and the 8-item Brief Grit Scale (Grit-S). Responses utilize a 5-point Likert scale, anchored by the following descriptors: 5 = Very much like me, 4 = Mostly like me, 3 = Somewhat like me, 2 = Not much like me, 1 = Not like me at all.

Language Available: Primarily English, with validated translations available in numerous languages for cross-cultural research.

Population Group: General population, including adults, adolescents, students (K-12 and university), and participants in specific vocational or military training programs.

Age Group: Typically 16 years and older, though research sometimes utilizes adapted forms for younger subjects.

Population Details: Used across diverse educational, military, and organizational settings to assess the motivational factors underlying achievement.

Test Methodology: The scale is administered as a questionnaire where respondents rate the degree to which they agree with each statement describing their habits regarding work ethic and interests. Scores are computed by summing the ratings after adjusting for reverse-scored items.

Keywords

Achievement, Resilience, Diligence, Non-cognitive skills, Self-control, Persistence, Motivation, Psychological assessment.

Authors

Author ORCID Identifier: Not provided in source content.

Affiliation Email addresses: Not provided in source content.

Correspondence Address: Correspondence regarding the scale is typically directed to Dr. Angela Duckworth, Department of Psychology, University of Pennsylvania.

Permissions & Fee and Test Year

The Grit Scale is generally available for non-commercial research and educational use, often without charge, provided proper citation is given. The scale’s development years span from the initial publication in 2007 (Duckworth et al.) to the validation of the shorter versions in 2009 (Duckworth & Quinn).

The original PDF of the 12-item Grit Scale can be downloaded here: https://www.sas.upenn.edu/~duckwort/images/12-item%20Grit%20Scale.05312011.pdf

The original PDF of the 8-item Grit Scale can be downloaded here: https://www.sas.upenn.edu/~duckwort/images/8-item%20Grit%20081011.pdf

The original PDF of the 17-item Grit and Ambition Scale can be downloaded here: http://www.sas.upenn.edu/~duckwort/images/17-item%20Grit%20and%20Ambition.040709.pdf

Reference’s

Duckworth, A.L., Peterson, C., Matthews, M.D., & Kelly, D.R. (2007). Grit: Perseverance and passion for long-term goals. Journal of Personality and Social Psychology, 9, 1087-1101. The original PDF of this article can be found here: http://rrhs.schoolwires.net/cms/lib7/WI01001304/Centricity/Domain/187/Grit%20JPSP.pdf

Duckworth, A.L., & Quinn, P.D. (2009). Development and validation of the Short Grit Scale (GritS). Journal of Personality Assessment, 91(2), 166-174. The original PDF of this article can be found here: http://www.sas.upenn.edu/~duckwort/images/Duckworth%20and%20Quinn.pdf

Items of the Grit Scale

1. I aim to be the best in the world at what I do.
2. I have overcome setbacks to conquer an important challenge.
3. New ideas and projects sometimes distract me from previous ones. *
4. I am ambitious.
5. My interests change from year to year. *
6. Setbacks don’t discourage me.
7. I have been obsessed with a certain idea or project for a short time but later lost interest. *
8. I am a hard worker.
9. I often set a goal but later choose to pursue a different one. *
10. I have difficulty maintaining my focus on projects that take more than a few months to complete. *
11. I finish whatever I begin.
12. Achieving something of lasting importance is the highest goal in life.
13. I think achievement is overrated. *
14. I have achieved a goal that took years of work.
15. I am driven to succeed.
16. I become interested in new pursuits every few months. *
17. I am diligent.

Note: Items marked with an asterisk (*) are reverse scored.