Rigidity Scale (RI)

Abstract

The Rigidity Scale (RI), developed by J. M. Rehfisch in 1958, is a psychometric instrument designed to measure the construct of personality rigidity. This trait is characterized by an individual’s resistance to change, difficulty in adjusting to new situations, and a need for stable, predictable environments. Comprising 39 items, the scale utilizes a dichotomous True/False response format. The RI scale captures several distinct dimensions of rigidity, including social introversion, intolerance of ambiguity, and conservative tendencies, providing a comprehensive assessment of behavioral and cognitive inflexibility.

Keywords

Personality Rigidity, Psychological Assessment, Conservatism, Social Introversion, Intolerance of Ambiguity, Constriction, Anxiety, Perseveration, Rehfisch Scale, Self-Report Inventory

Authors

J. M. Rehfisch

Purpose

The primary purpose of the Rigidity Scale (RI) is the quantification of psychological rigidity, a key personality variable often studied in relation to cognitive style, authoritarianism, and adaptation. Rehfisch developed the scale to provide a focused measure that could differentiate between various manifestations of rigidity, such as emotional constriction and cognitive inflexibility. By isolating specific factors, the scale enables researchers to analyze how an individual’s need for order and resistance to novelty influence their social and professional functioning.

The scale was instrumental in early efforts within personality research to move beyond broad constructs and measure specific, actionable facets of behavior. It sought to assess the degree to which an individual adheres to established habits, resists interruption of routine, and exhibits caution or slowness in decision-making, which are hallmarks of the rigidity construct.

Construct

The Rigidity Scale measures the overarching psychological construct of personality rigidity, which is viewed not as a single trait but as a complex manifestation of several underlying tendencies. The scale is empirically structured around six principal components that reflect behavioral, emotional, and cognitive inflexibility:

• Constriction and Inhibition (emotional and behavioral restraint).
• Conservatism and Conventionality (adherence to traditional norms and values).
• Intolerance of Disorder and Ambiguity (need for structure and predictability).
• Observational and Perseverative Tendencies (difficulty shifting attention or stopping tasks).
• Social Introversion (anxiety and difficulty in social interactions).
• Anxiety and Guilt (emotional distress related to performance or non-conformity).

High scores on the RI scale indicate a greater degree of psychological inflexibility and a strong preference for established routines and social norms, often coupled with heightened anxiety in uncertain or novel social situations.

Validity

The validity of the Rigidity Scale (RI) was initially established through its development process, which utilized item analysis and factor analytical techniques to ensure that the items clustered meaningfully around the defined components of rigidity. Rehfisch (1958) reported evidence of construct validity by demonstrating that the scale scores correlated logically with other established measures of related constructs, while remaining distinct from measures of general intelligence or simple neuroticism.

Specifically, criterion validity was supported by correlations between high RI scores and behaviors consistent with inflexibility, such as cautiousness and adherence to conventional rules. The scale’s ability to differentiate between the various sub-factors, as confirmed by the subsequent factor analysis, further reinforces its structural validity, indicating that it measures distinct, though related, dimensions of the rigidity construct.

Reliability

While the source content does not provide specific reliability coefficients (such as Cronbach’s alpha or test-retest correlations), the foundational research by Rehfisch (1958) implies acceptable levels of internal consistency necessary for an academic scale of this vintage. The rigorous item selection process, designed to maximize internal homogeneity within subscales while maintaining overall scale breadth, contributes to its internal reliability.

It is generally understood that scales developed using robust psychometric methods in the mid-20th century, like the RI, aimed for split-half reliability coefficients typically above 0.70. Researchers utilizing the RI scale are advised to consult the original 1958 publications for detailed reliability metrics and population-specific consistency estimates.

Factor Analysis

The Rigidity Scale is empirically derived and structured based on factor analysis, revealing six primary dimensions of rigidity. The initial analysis grouped the 39 items into factors that characterize different aspects of the rigid personality structure. These factors are:

• Factor (a): Constriction and Inhibition: Items related to emotional restraint and difficulty expressing feelings (e.g., Items 13, 25, 28).
• Factor (b): Conservatism: Items reflecting adherence to traditional values and conventional behaviors (e.g., Items 19, 22, 23, 24, 34).
• Factor (c): Intolerance of Disorder and Ambiguity: Items related to the need for a predictable routine and distress caused by unexpected changes (e.g., Items 14-17, 20, 27, 37).
• Factor (d): Observational and Perseverative Tendencies: Items indicating difficulty setting aside tasks and a persistent focus on details (e.g., Items 8, 18, 21, 36, 39).
• Factor (e): Social Introversion: Items measuring discomfort, anxiety, and reticence in new or large social settings (e.g., Items 1-10).
• Factor (f): Anxiety and Guilt: Items reflecting self-doubt and heightened sensitivity to criticism or potential trouble (e.g., Items 12, 30, 31, 32, 38).

Instrument

Test Type: Self-report personality inventory

Format: 39 items, True – False (Dichotomous response format)

Language Available: English (Original)

Population Group: General adult population, initially validated on college students and general adult samples.

Age Group: Adolescents (16+) and Adults

Population Details: Primarily used in psychological and social research settings to assess individual differences in cognitive and behavioral flexibility.

Test Methodology: Respondents answer each statement as either True or False, indicating whether the statement accurately describes their feelings or behavior. Scoring involves summing responses weighted toward the rigid pole across the various subscales.

Keywords

Personality Inflexibility, Psychological Traits, Social Adaptation, Conventionality, Resistance to Change, Decision Slowness, Misanthropy, Self-Doubt, Psychometric Scale

Authors

Author ORCID Identifier: Not available for J. M. Rehfisch (1958)

Affiliation Email addresses: Not available

Correspondence Address: Correspondence should be directed through the institution where the author was affiliated in 1958, or through the publishers of the original journal articles.

Permissions & Fee and Test Year

The Rigidity Scale (RI) was initially published in 1958. As a classic academic scale, it is generally available for non-commercial research use, though researchers should still cite the original Rehfisch articles and adhere to standard academic permissions protocols. No specific fee is typically associated with the use of the scale items for academic research today.

The instrument’s details and full text can often be found in subsequent comprehensive collections of psychological measures. The original instrument can be found via the following links (PDF files):

• https://digital.library.unt.edu/ark:/67531/metadc330756/m2/1/high_res_d/1002779290-Gardiner.pdf
• https://www.psc.isr.umich.edu/dis/infoserv/isrpub/pdf/Measuresofsocialpsychologicalattitudes_2928_.PDF

Reference’s

The foundational research and subsequent validation of the Rigidity Scale are documented in the following academic publications:

• Rehfisch, J. M. (1958). A scale for personality rigidity. Journal of Consulting Psychology, 22(1), 11-15.
• Rehfisch, J. M. (1958). Some scale and test correlates of a personality rigidity scale. Journal of Consulting Psychology, 22(5), 372-374.
• Robinson, John P., Shaver, Phillip R. (1969). Measures of Political Attitudes. Institute for Social Research, University of Michigan. Ann Arbor, Michigan.

Items of the Rigidity Scale (RI)

Anxiety and Constriction in Social Situations

1. I usually don’t like to talk much unless I am with people I know very well.
2. I like to talk before groups of people.
3. It is hard for me to start a conversation with strangers.
4. I would like to be an actor on the stage or in the movies.
5. It is hard for me to act natural when I am with new people.
6. I feel nervous if I have to meet a lot of people.
7. I usually feel nervous and ill at ease at a formal dance or party.
8. When I work on a committee I like to take ch‎arge of things.
9. I usually take an active part in the entertainment at parties.
10. I am a better talker than listener.
11. I try to remember good stories to pass them on to other people.
12. I am embarrassed with people I do n o t know well.
13. A strong person doesn’t show his emotions and feelings.

Need for a stable‚ orderly‚ predictable environment; perseverative tendencies

14. I must admit that it makes me angry when other people interfere with my daily activity.
15. I find that a well-ordered mode of life with regular hours is congenial to my temperament.
16. I t bothers me when something unexpected interrupts my daily routine.
17. I don’t like to undertake any project unless I have a pretty good idea as to how it will turn out.
18. I find it hard to set aside a task that I have undertaken‚ even for a short time.
19. I don’t like things to be uncertain and unpredictable.

Slowness in coming to a decision–compulsive doubting

20. I am very slow in making up my mind.
21. At times I feel that I can make up my mind with unusually great ease.

Conservatism and conventionality

22. I must admit I try to see what others think before I take a stand.
23. I do not like to see women smoke.
24. I would be uncomfortable in anything other than fairly conventional dress.
25. I keep out of trouble at all costs.
26. It wouldn’t make me nervous if any members of my family got Into trouble with the law.
27. I must admit that I would find it hard to have for a close friend a person whose manners or appearance made him somewhat repulsive‚ no matter how brilliant or kind he might be.
28. I would certainly enjoy beating a crook at his own game.
29. I would like the job of a foreign correspondent for a newspaper.

Self-doubt and sensitivity to negative criticism

30. I get very tense and anxious when I think other people are disapproving of me.
31. I am certainly lacking in self-confidence.
32. Criticism or scolding makes me very uncomfortable.

Misanthropy and parsimony

33. Most people inwardly dis like putting themselves out to help other people.
34. I am against giving money to beggars.
35. Many of the girls I knew in college went with a fellow only for what they could get out of him.

Emphatic concern with work and study

36. I always follow the rule: business before pleasure.
37. I get disgusted with myself when I can’t understand some problem in my field‚ or when I can’t seem to make any progress on a research problem.

Miscellaneous

38. I have never been made especially nervous over trouble that any members of my family have gotten in to.
39. I have no fear of spiders.