Spheres of Control Scale (Paulhus, 1983)

Abstract

The Spheres of Control Scale (SoCS), developed by Donald L. Paulhus in 1983, is a sophisticated, multidimensional instrument designed to assess an individual’s beliefs regarding their ability to control outcomes across distinct life domains. Unlike earlier, unidimensional measures of Locus of Control, the SoCS differentiates between three specific spheres: Personal Efficacy, Interpersonal Control, and Socio-Political Control. This differentiation allows researchers to obtain a nuanced profile of control expectancies, recognizing that individuals may feel highly effective in one area (e.g., personal achievement) but powerless in another (e.g., political systems).

Keywords

Locus of Control, Personal Control, Interpersonal Control, Socio-Political Control, Efficacy, Psychological Assessment, Paulhus, Multidimensional Measurement.

Authors

Donald L. Paulhus (Primary Author), Matthew W. Baldwin (User/Adapter in source context).

Purpose

The primary purpose of the Spheres of Control Scale is to overcome the limitations of traditional measures, such as the Rotter I-E Scale, which treat control as a single, bipolar construct (internal vs. external). Paulhus argued that control beliefs are domain-specific. The SoCS was created to provide a more precise and predictive measure by separating control beliefs into functionally independent areas, thereby enhancing the scale’s utility in predicting specific behaviors and outcomes.

The scale aims to measure how much an individual believes their actions, skills, and efforts (internal factors) influence outcomes within specific contexts, contrasting this with the belief that outcomes are determined by external forces such as luck, powerful others, or systemic factors.

Construct

The SoCS measures the psychological construct of Multidimensional Locus of Control. It posits that a person’s generalized expectancy for control is not uniform but is composed of distinct control beliefs corresponding to different life spheres. The original full scale measures three orthogonal dimensions:

• Personal Efficacy (P): Reflects beliefs about one’s competence and control over non-social, personal achievement outcomes (e.g., career success, learning new skills). This dimension is closely related to Self-Efficacy.
• Interpersonal Control (I): Reflects beliefs about one’s ability to influence others, manage social interactions, and navigate personal relationships (e.g., making friends, steering conversations, resolving conflicts).
• Socio-Political Control (SP): Reflects beliefs about one’s ability to influence large-scale systems, institutions, or political outcomes. (Note: Items for this dimension were not present in the source material provided.)

These three spheres are designed to be relatively independent, meaning a high score on Personal Efficacy does not necessarily predict a high score on Interpersonal Control.

Validity

The SoCS demonstrates robust evidence of Construct validity. Studies have consistently shown that the three subscales correlate differentially with relevant external criteria, supporting the scale’s multidimensional nature. For example, Personal Efficacy typically correlates highly with academic success and persistence, while Interpersonal Control correlates with social skills and leadership measures.

Discriminant validity is evidenced by the low correlations observed among the three subscales themselves, confirming that they measure distinct aspects of control. Furthermore, the SoCS has been shown to be superior to unidimensional Locus of Control measures in predicting domain-specific criteria, providing enhanced predictive power across psychological and behavioral research.

Reliability

The internal consistency of the Spheres of Control Scale is generally high and acceptable for research purposes. Across various studies, the Cronbach’s Alpha coefficients for the three subscales typically range from .70 to .85. The Personal Efficacy subscale often shows the highest reliability, followed closely by Interpersonal Control.

Test-retest reliability, measuring the stability of the scores over time, has also been established, indicating that the scale provides consistent measures of control expectancies, which are considered relatively stable personality characteristics in adults.

Factor Analysis

The development of the SoCS relied heavily on factor analytic techniques to ensure the empirical separation of the control dimensions. Principal components analysis and subsequent confirmatory factor analysis (CFA) have consistently supported the hypothesized three-factor model (P, I, SP). The factor structure confirms that the items load distinctly onto their intended sphere, providing strong statistical evidence for the instrument’s tripartite design.

The items loading onto each factor are clear and conceptually sound, reinforcing the idea that control beliefs operate independently across the achievement, social, and systemic domains.

Instrument

Test Type: Self-report Psychological assessment instrument.

Format: The scale uses a 7-point Likert scale format, ranging from 1 (strongly disagree) to 7 (strongly agree). The scoring involves reversing certain items (as suggested by the negative correlations provided in the source) and summing the scores for each respective sphere.

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

Population Group: General population, widely used in college student samples and adult populations.

Age Group: Typically utilized with adolescents and adults (16 years and older).

Population Details: The scale is non-clinical and is used extensively in personality, social, and organizational psychology research.

Test Methodology: Respondents indicate their level of agreement with 30 statements (10 per sphere) concerning their perceived control over outcomes in various life situations.

Keywords

Self-Efficacy, Attribution Theory, Psychological Assessment, Personality Measurement, Control Expectancy, Research Scale.

Authors

Author ORCID Identifier: Not provided in source content.

Affiliation Email addresses: Not provided in source content.

Correspondence Address: Not provided in source content (Donald L. Paulhus is typically affiliated with the University of British Columbia).

Permissions & Fee and Test Year

Test Year: 1983 (Original Publication).

Permissions and Fee: While the scale is often used freely for academic research purposes, formal use in commercial or clinical settings may require permission from the author or copyright holder. Researchers should consult the original publication or contact Donald L. Paulhus for current usage guidelines.

Reference’s

• Paulhus, D. L. (1983). Spheres of control: An extended analysis of the construct. Journal of Personality and Social Psychology, 44(6), 1253–1262.
• Baldwin, M. W. (Year not specified in source). Who I Am Is Who I Was: Exploring the Identity-Maintenance Function of Nostalgia. Submitted to the graduate degree program in Psychology and the Graduate Faculty of the University of Kansas in partial fulfillment of the requirements for the degree of Master of Arts. (This source document provides an example application of the scale items.)

Items of the Spheres of Control Scale (Paulhus‚ 1983)

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

Use the following scale to indicate how much you agree or disagree with the following statements.

1	2	3	4	5	6	7
strongly disagree						strongly agree

Personal Control

1. I can usually achieve what I want if I work hard for it.
2. Once I make plans‚ I am almost certain to make them work.
3. I prefer games involving some luck over games requiring pure skill. (r = .167)
4. I can learn almost anything if I set my mind to it.
5. My major accomplishments are entirely due to my hard work and ability.
6. I usually do not set goals because I have a hard time following through on them.
7. Bad luck has sometimes prevented me from achieving things. (r = .272)
8. Almost anything is possible for me if I really want it.
9. Most of what happens in my career is beyond my control.
10. I find it pointless to keep working on something that’s too difficult for me.

Interpersonal Control

11. In my personal relationships‚ the other person usually has more control than I do.
12. I have no trouble making and keeping friends.
13. I’m not good at guiding the course of a conversation with several others.
14. I can usually develop a personal relationship with someone I find appealing.
15. I can usually steer a conversation toward the topics I want to talk about.
16. When I need assistance with something‚ I often find it difficult to get others to help.
17. If there’s someone I want to meet‚ I can usually arrange it.
18. I often find it hard to get my point of view across to others.
19. In attempting to smooth over a disagreement‚ I sometimes make it worse.
20. I find it easy to play an important part in most group situations.