Locus of Control

Locus of control describes how much you believe you control the events in your life. People with an internal locus of control believe their own actions drive their outcomes. Those with an external locus of control attribute outcomes to luck, fate, or other people instead.

Key Takeaways

  • Definition: Whether you believe your own actions, or forces like luck, fate, and other people, control outcomes in your life.
  • Types: Internals believe their actions shape outcomes; externals believe outcomes are beyond their control. Most people sit somewhere between the two.
  • Origins: Psychologist Julian Rotter introduced the concept in the 1950s as part of social learning theory, suggesting that expectations about control influence motivation and behavior.
  • Impact: An internal focus is linked to confidence and persistence; a strongly external focus can foster helplessness or anxiety.
  • Application: Understanding your locus of control can improve self-awareness, goal setting, and resilience, making it a useful idea in therapy, education, and personal growth.
an image outlining internal locus of control on one side and external locus of control on the other
An internal locus of control means believing you control your own actions and outcomes. An external locus of control means believing that external factors or luck dictate your fate.

Internal vs. External Locus of Control

The difference is simple. It comes down to where you believe the power over your life lies.

Psychologist Julian B. Rotter introduced the concept in 1954. It came from his social learning theory of personality. His 1966 monograph defined it as the degree to which people believe they themselves, or external forces, control their outcomes.

Locus of control (LoC) exists on a continuum, ranging from highly internal to highly external. Most people fall somewhere in between.

It plays a major role in how people interpret success, failure, health, and personal agency.

This continuum is not fixed across every area of life. Rotter (1975) later stressed that where someone has a lot of direct experience in one specific situation, that situation-specific belief tends to dominate. A person can lean internal at work, for instance, yet external about their own health.

Internal Locus of Control

Individuals with an internal locus of control believe their own effort, decisions, and actions directly shape their outcomes. They take responsibility for what happens to them.

Key traits of internals include:

  • Self-responsibility: Internals attribute success or failure to their own behavior. For example, if they fail an exam, they might admit they didn’t study enough and plan to improve next time.

  • Perceived control: They feel capable of influencing performance, health, and stress through their choices and behaviors.

  • Positive outcomes: Research shows internals tend to perform better academically, achieve more professionally, experience better mental and physical health, and engage more often in proactive coping and healthy habits.

External Locus of Control

Individuals with an external locus of control believe outcomes are determined by factors beyond their control, such as fate, luck, or the actions of others.

Key traits of externals include:

  • External forces: Externals attribute results to outside circumstances. If they fail a test, they might blame unfair questions or bad luck rather than lack of preparation.

  • Reduced control: They are less likely to feel that effort leads to change, which can discourage persistence and personal growth.

  • Health beliefs: Externals often view their health as being controlled by chance or medical professionals rather than by their own behaviors or lifestyle.

A Note on Attributional Style

Locus of control is related to but distinct from attributional style.

Locus of control focuses on people’s expectations about future events (who or what controls outcomes), while attributional style concerns how people explain past successes and failures.

Locus of Control

Examples

People with an internal locus of control accept occasions in their day-to-day existence as controllable.

To be more specific, this means that they can recognize instances where destiny is controllable: for instance, an individual is taking a test for a driver’s license.

The Driving Test Example

A person with an internal locus of control credits their own preparation for whether they pass or fail a driving test.

If they pass, they praise their own skill. If they fail, they resolve to improve their driving before retaking it.

Someone with an external locus of control perceives the identical event differently.

They blame outside factors instead, such as the weather, the examiner, or the test route, rather than their own preparation.

Health Beliefs Example

Locus of control also shapes how people think about and manage their health. The table below contrasts the two orientations.

Internal health locus of controlExternal health locus of control
Core beliefMy own behaviour and choices affect my well-being, reflecting a sense of personal agency.My health is largely a matter of luck, fate, or other external factors.
Typical statement“I am responsible for my health.”“If I’m meant to get sick, I’ll get sick no matter what I do.” “Doctors are the ones who determine whether I stay healthy.”
Typical behaviourExercises, eats healthily, avoids smoking, and seeks medical advice when needed, because their actions feel like they make a difference.Less motivated to adopt healthy behaviours or change lifestyle, because health feels beyond their control.

Applications

Locus of control provides a unifying framework for understanding how people perceive and manage influence over their lives.

Whether in therapy, classrooms, workplaces, relationships, or health contexts, beliefs about control affect motivation, coping, and well-being.

1. Therapy and Mental Health

How individuals make causal attributions for their experiences is fundamental to many therapeutic approaches.

Control, Responsibility, and Meaning:

Existential and humanistic therapies emphasize helping clients develop a stronger sense of personal responsibility and agency.

Clients are encouraged to identify what they can change, influence, or reframe, and to accept what lies beyond it.

By doing so, they discover greater meaning and freedom in their lives.

Attributional Style and Depression:

Locus of control plays a key role in understanding Major Depressive Disorder (MDD).

A pessimistic attributional style raises the risk of depression. It can also lead to learned helplessness, the tendency to stop trying once you’ve learned that nothing you do changes the outcome.

This style explains negative events as internal (“my fault”), stable (“it will always be this way”), and global (“it affects everything”).

A more balanced or internal locus of control, by contrast, supports resilience and motivation.

Self-Regulation and Health Interventions:

Therapeutic methods such as biofeedback, relaxation training, and mindfulness foster autonomic self-regulation, helping clients regain a sense of control over stress, anxiety, and physiological states.


2. Education and Learning

Beliefs about control and ability profoundly affect student motivation, learning strategies, and achievement.

Academic Performance:

Students with an internal locus of control take responsibility for their outcomes, viewing poor grades as something they can improve through effort.

In contrast, external students may attribute failure to luck or unfair tests, which can reduce motivation.

Growth Mindset and Teacher Expectations:

Encouraging a growth mindset (the belief that intelligence and ability develop through effort) aligns closely with an internal, controllable attribution style.

Similarly, teacher expectations (the Pygmalion effect) can powerfully shape student performance, demonstrating how external perceptions of control influence real outcomes.


3. Work and Organizational Psychology

In the workplace, control beliefs underpin job satisfaction, motivation, and stress management.

Job Strain and Autonomy:

The Demand–Control Model of job stress links high job demands and low decision-making autonomy to high job strain, which is associated with poorer health outcomes and burnout.

Workers who feel in control of their tasks experience lower stress and greater engagement.

Management and Leadership:

Control beliefs also influence leadership and management style.

Theory X managers view employees as inherently unmotivated and needing control (external orientation), while Theory Y managers assume workers are self-directed and seek intrinsic satisfaction (internal orientation).

Leadership models such as Contingency Theory similarly emphasize that effective leadership depends on the leader’s control and influence within a given context.

Personal Resources:

Traits like self-efficacy (confidence in your own ability to succeed at a task), optimism, and an internal locus of control act as buffers against workplace stress, improving well-being and performance.


4. Relationships and Social Context

Attribution theory shapes how people interpret others’ behavior and navigate interpersonal dynamics.

Relational Attributions:

Individuals with a more internal locus of control tend to take responsibility for their role in conflicts and work proactively to resolve them. Those with a more external orientation are more likely to blame partners or outside circumstances.

Family and Systems Therapy:

Systemic and couples therapy frames problems not as one partner’s “fault” but as a pattern emerging from the relationship’s interactions.

This challenges external attributions (“it’s their problem”) and encourages shared responsibility and adaptive change.

Cultural Context:

Control beliefs also vary culturally.

Collectivist cultures often view the self as interdependent and embedded within social context, emphasizing relational control rather than purely individual autonomy.

Therapists must therefore consider cultural and intersectional factors in understanding a client’s sense of control.

Resistance to Social Influence

An internal locus of control also predicts how people respond to social pressure. Internals simply resist conformity more easily.

This links locus of control to classic studies of dissent in Milgram’s obedience experiments and Asch’s conformity research. The pattern is consistent. Strong internals are more likely to defy the group or the experimenter.

An internal locus of control is also central to psychological hardiness: Kobasa’s (1979) three Cs of commitment, control and challenge. Hardy people treat stressors as less threatening. They stay healthier under pressure.


5. Health Psychology

The concept of health locus of control has become one of the most widely applied forms of LoC in research and clinical practice.

Health Locus of Control Scales:

The Health Locus of Control (HLC) and Multidimensional Health Locus of Control (MHLC) scales (Wallston & Wallston, 2004) measure whether individuals attribute their health outcomes to:

  • Internal factors (self-care, lifestyle, effort)

  • Powerful others (doctors, family, authority figures)

  • Chance or fate (luck, destiny)

Health Outcomes and Behavior:

Research generally links an internal health locus of control to greater treatment adherence, more active coping, and better physical outcomes.

Examples include diabetes management and stroke rehabilitation.

However, meta-analytic evidence is mixed.

Reviews of health behaviors such as exercise, alcohol use, and weight control find inconsistent, even contradictory, links to locus of control. These mixed findings come from Norman et al. (1997, 1998) and Bennett et al. (1998).

Domain-Specific Scales:

Researchers have developed numerous domain-specific measures for health contexts, including:

  • the Weight Locus of Control Scale
  • the Dieting Beliefs Scale
  • the Mental Health Locus of Control Scale
  • the Cancer Locus of Control Scale

These scales explore how perceptions of control shape behavior and adjustment in a specific health domain.

Conceptual Summary:

Ultimately, in health psychology, locus of control highlights a central tension:

Believing in one’s ability to influence outcomes can promote healthy behavior and recovery. But excessive internality risks self-blame when outcomes are truly uncontrollable, and excessive externality risks discouraging responsibility altogether.

Origins

Julian B. Rotter introduced the concept of locus of control in 1954 as part of his social learning theory of personality.

It is a classic example of a generalized expectancy: a belief about reinforcement that applies across a wide variety of situations, not just one.

In 1966, Rotter published an article in Psychological Monographs summarizing nearly a decade of research by himself and his students. Most of this work had never been published before.

The Social Learning Theory Behind the Concept

Locus of control is not a stand-alone idea. It is one application of Rotter’s broader social learning theory of personality, first set out in his 1954 book Social Learning and Clinical Psychology.

Rotter trained in the behaviourist tradition. He broke ranks by adding internal, cognitive factors.

His model rests on two factors. Expectancy is the belief that a behaviour will lead to a given reward. Reinforcement value is how much the person values that reward. This is Rotter’s formula for behaviour.

Locus of control is what Rotter called a generalized expectancy: a belief about reinforcement, abstracted across many situations rather than tied to one event. People who see a causal link between their own choices and what follows expect greater reward from their own effort.

Rotter revisited the idea in 1990. He warned it had become an oversimplified, fixed trait, losing the situational half of his own theory.

1. The Proponent and Initial Publication

The concept of locus of control was formally proposed by Julian Rotter in 1966.

  • The paper: Rotter’s seminal work, Generalized expectancies for internal versus external control of reinforcement, appeared in Psychological Monographs in 1966.
  • The argument: The internal-versus-external orientation is an important, stable part of personality, and Rotter set out to measure it reliably.
  • The legacy: Hundreds, potentially thousands, of studies have drawn on Rotter’s theory since 1966.

2. Conceptual Context and Theoretical Roots

Rotter proposed the LoC concept as a cognitive factor that affects learning and personality development.

  • Context: The theory grew out of a broader exploration of generalized beliefs about the power individuals hold over their own lives.
  • Core belief: People expect greater reward when they attribute outcomes to their own actions rather than to outside forces, and this expectation shapes how effective they feel personal effort is.
  • Roots: Rotter drew on behaviorism but added internal, cognitive factors, asking whether people believe their own choices actually cause the outcomes that follow.

3. Relation to Attribution Theory

Rotter established locus of control in 1966, but it later became a core dimension within attribution theory, which explains how people account for outcomes.

  • Three dimensions: Weiner’s attribution theory explains outcomes along locus (internal vs. external), stability (stable vs. unstable), and controllability (controllable vs. uncontrollable).
  • Rotter’s influence: Weiner (1984) credited the locus dimension to Rotter’s idea, making it one of three factors shaping motivational attributions for success and failure.

Measurement

The measurement of Locus of Control is fundamentally achieved through self-report questionnaires, originally conceived by Rotter.

These instruments evolved into multidimensional scales, such as the MHLC. They capture the nuanced beliefs people hold about who or what controls outcomes in specific life domains, especially health.

1. Rotter’s Internal–External (I-E) Scale

Rotter presented the scale in a 1966 monograph. It was not just a test manual: it was itself a study built to construct and validate the measure.

  • Aim: Build a single self-report measure of internal versus external control. Test whether it behaves as a stable trait, not an artefact of test-taking style.
  • Method: Rotter assembled 29 forced-choice item pairs, six of them fillers, each pitting an internal belief against an external one. He tested them on several samples alongside separate measures of social desirability and intellectual ability.
  • Results: The 23 scored items showed adequate internal consistency and test–retest stability, and only a weak link to social desirability or ability. More internally-scoring people were also more likely to seek out information and take active steps toward their goals.
  • Conclusion: Locus of control could be measured as a stable, general personality trait, distinct from social desirability and intelligence, that predicted real behavioural differences.

The monograph became a citation classic, and remains the most widely used measure of the construct today.

Levenson’s Multidimensional IPC Scale

Rotter’s scale treated externality as a single dimension, but Levenson (1973) argued that not all “external” beliefs are alike.

Her 24-item IPC Scale (Internal, Powerful others, Chance) splits external control into two independent components, yielding three subscales:

  • Internality: control by oneself.
  • Powerful others: control by authority figures such as doctors or the government.
  • Chance: control by fate or luck.

A person who believes powerful others control their life is psychologically different from one who believes the world is simply random.

Rotter’s original scale would have labeled both as simply “external.”

2. Specialized Health Locus of Control Scales (MHLC)

Rotter’s original scale is general. Health psychology needed something more specific, since perceived control matters so much for illness and recovery.

The Multidimensional Health Locus of Control (MHLC) Scale was developed by Kenneth Wallston and colleagues in 1978. It became hugely influential.

The scale looks at individuals’ beliefs about what determines their health outcomes, refining the measurement into three independent dimensions that move beyond a simple internal/external split:

  • Internal Health Locus of Control: How much people feel responsible for their own health and stress. For example: “My own lifestyle choices are what will affect my stress levels.”
  • Powerful Others’ Control over Health: The belief that people such as doctors, family, or friends determine health outcomes. For example: “Whenever I feel stressed, I should consult a trained professional.”
  • External/Chance Health Locus of Control: The belief that health is determined by fate, luck, or chance. For example: “No matter what I do, if I am going to get sick, I will get sick.”

3. Rotter Incomplete Sentence Blank (RISB)

The RISB is a projective test, not a traditional quantitative questionnaire like the I-E Scale. It is directly linked to Julian Rotter, the originator of locus of control theory.

  • Nature: Julian Rotter developed the RISB in 1950, before he formally published LoC theory in 1966. It presents 40 incomplete sentences, from which the administrator infers the test-taker’s psychological states, fears, and struggles.
  • Forms: The RISB has three forms for different age groups: school, college, and adult.
  • Relationship to LoC: The test is relevant because it emerged from the work of Rotter, the same figure who proposed the Locus of Control theory.

4. General Characteristics of Locus of Control Questionnaires

Like other psychological questionnaires, LoC scales collect data from many people by asking them to answer a series of questions.

  • Format: Locus of control scales often use Likert-type items, where participants rate their agreement (e.g., from “strongly disagree” to “strongly agree”).
  • Scoring: LoC questionnaires place a person along the continuum, but scoring direction varies by scale. On some questionnaires, a high score indicates an external locus of control and a low score indicates an internal one.
  • Purpose of Results: Researchers often correlate LoC scores with outcomes. Individuals with a stronger internal focus tend to take more responsibility for their health, engage in healthier behaviors, and report less depression.
  • A Generational Shift: College students have scored steadily more external over recent decades (see Critical Evaluation).

Critical Evaluation of Locus of Control Theory

Locus of control theory has shaped psychology for six decades, but it has real limits worth weighing.

Strengths

Four strengths stand out:

  • Foundational and generative: Rotter’s (1966) I-E Scale opened a huge, still-active research literature and provided a genuinely unifying framework linking motivation, coping, achievement, and health.
  • Refined and multidimensional: Later work split the single internal-external axis into independent internal, powerful-others, and chance dimensions (Levenson, 1973; Wallston et al., 1978), capturing that not all “external” beliefs are the same.
  • Practically useful: The theory has clear, tested applications in education, health, occupational, and clinical psychology, and an internal orientation is reliably linked to better adjustment on average.
  • Grounded in a wider theory: As a generalized expectancy within social learning theory, locus of control is theoretically coherent rather than an isolated trait, and it dovetails with attribution theory (Weiner, 1984).

Limitations

Several limitations temper these strengths:

  • Continuum reduced to a type: Treating locus of control as two categories oversimplifies a continuum on which most people fall in the middle.
  • Situational vs. dispositional: General locus-of-control scores predict specific behaviors only weakly; where people have direct experience, situation-specific beliefs dominate instead (Rotter, 1975).
  • Modest effect sizes: Especially for health behaviors, the evidence is mixed and often weak, so locus of control is one modest predictor among many, not a decisive cause.
  • Measurement concerns: The validity of locus-of-control questionnaires across different contexts has been questioned (Furnham & Steele, 1993), and self-report measures invite social-desirability bias.
  • Neither pole is universally adaptive: Excessive internality produces self-blame for genuinely uncontrollable events, while excessive externality discourages responsibility altogether.
  • Cultural bias: The prized “internal” orientation reflects Western, individualist values; the externality-distress link is weaker in collectivist cultures (see Contemporary Research, below).
  • A moving target: Locus-of-control scores have shifted over time (see Contemporary Research, below), showing the trait is not culturally or historically fixed.

Locus of Control and Related Constructs

Locus of control is often confused with several neighbouring ideas. Telling them apart sharpens what the theory actually claims.

Self-efficacy (Bandura, 1977) is a belief about capability: can I do this? Locus of control asks something else: will doing it make any difference at all? The two are distinct. A person can feel highly capable yet still believe the outcome is rigged by luck or by other people.

Belief in a just world (Lerner, 1980) is the conviction that people generally get what they deserve. It sits close to an internal orientation: both frame outcomes as earned, not random. But a rigid version can tip into blaming the victim.

Self-determination theory emphasizes autonomy as a basic psychological need. An internal locus of control overlaps with this, since both describe behaviour as self-regulated rather than externally imposed.

Contemporary Research

Two large studies illustrate how the evidence has evolved.

The Generational Shift Toward Externality

Twenge, Zhang, and Im (2004) pooled 97 samples of US college students and 41 samples of children aged 9–14, collected between 1960 and 2002.

Together the samples covered roughly 18,310 students and 6,554 children.

Locus-of-control scores became substantially more external over time, a shift of roughly 0.80 standard deviations.

The average student in 2002 scored more external than roughly 80% of students in the early 1960s.

Does Culture Change What “External” Means?

Cheng, Cheung, Chio, and Chan (2013) conducted a meta-analysis spanning 18 cultural regions, testing how locus of control relates to psychological symptoms.

The link between an external locus of control and psychological symptoms proved significantly stronger in individualist, largely Western regions than in collectivist ones.

So the meaning and psychological cost of being “external” genuinely differ across cultures.

What Predicts an External Locus of Control?

A newer line of research asks a different question: not what locus of control predicts, but what predicts locus of control itself.

  • Aim: Callan et al. (2025) tested personal relative deprivation: the resentment of feeling worse off than similar others. Does it predict a more external locus of control?
  • Method: Eight studies (total N ≈ 6,729) used cross-sectional, experimental and longitudinal designs across the US, UK and 18 Asian regions. All controlled for income, political views, age and gender.
  • Results: Higher relative deprivation predicted more external explanations for both other people’s outcomes and one’s own. The link held after controlling for socioeconomic status and replicated in the Asian sample.
  • Conclusion: Feeling relatively deprived is a genuine cause of external locus of control, working both between people and within the same person over time.

This complements the generational-shift finding above. It points to a specific mechanism, comparison-based disadvantage, through which people can acquire a more external outlook.

FAQs

What is internal locus of control?

An internal locus of control refers to the belief that one can control their own life and the outcomes of events. Individuals with a high internal locus of control perceive their actions as directly influencing the results they experience.

What is external locus of control?

An external locus of control refers to the belief that external factors, such as fate, luck, or other people, are responsible for the outcomes of events in one’s life rather than one’s own actions.

Who proposed the locus of control concept?

The concept of locus of control was proposed by psychologist Julian B. Rotter in 1954.

References

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Cheng, C., Cheung, S.-F., Chio, J. H.-M., & Chan, M.-P. S. (2013). Cultural meaning of perceived control: A meta-analysis of locus of control and psychological symptoms across 18 cultural regions. Psychological Bulletin, 139(1), 152–188.

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Furnham, A., & Steele, H. (1993). Measuring locus of control: A critique of general, children’s, health‐and work‐related locus of control questionnaires. British Journal of Psychology, 84 (4), 443-479.

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Twenge, J. M., Zhang, L., & Im, C. (2004). It’s beyond my control: A cross-temporal meta-analysis of increasing externality in locus of control, 1960–2002. Personality and Social Psychology Review, 8(3), 308–319.

Wallston, K. A., Strudler Wallston, B., & DeVellis, R. (1978). Development of the multidimensional health locus of control (MHLC) scales. Health education monographs, 6 (1), 160-170.

Wallston, K. A., & Wallston, B. S. (2004). Multidimensional health locus of control scale. Encyclopedia of health psychology, 171, 172.

Watson, M., Greer, S., Pruyn, J., & Van Den Borne, B. (1990). Locus of control and adjustment to cancer. Psychological Reports, 66 (1), 39-48.

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Saul McLeod, PhD

BSc (Hons) Psychology, MRes, PhD, University of Manchester

Chartered Psychologist (CPsychol)

Saul McLeod, PhD, is a qualified psychology teacher with over 18 years of experience in further and higher education. He has been published in peer-reviewed journals, including the Journal of Clinical Psychology.


Gabriel Lopez-Garrido

Undergraduate at Harvard University

Political Science and Psychology

Gabriel Lopez-Garrido is currently in his final year at Harvard University. He is pursuing a Bachelor's degree with a primary focus on Political Science (Government) and a minor in Psychology.