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The Power of "I Can": How Albert Bandura Discovered the Science of Self-Efficacy

Behaviorist psychologists treated humans as passive organisms conditioned purely by external rewards and punishments; Albert Bandura proved that an individual’s internal belief in their own capability is the single greatest predictor of human success, perseverance, and emotional recovery. Published in Psychological Review in 1977, Bandura’s Self-Efficacy Theory revolutionized cognitive psychology, athletic coaching, addiction recovery, and modern educational pedagogy.

Author
Albert Bandura
Published
1977
Journal
Psychological Review
Last updated
September 2026
The Power of "I Can": How Albert Bandura Discovered the Science of Self-Efficacy

In mid-20th-century psychology, B.F. Skinner’s strict behaviorism taught that humans were like laboratory pigeons, shaped entirely by external treats and shocks. Psychology lacked a scientific model to explain why two people with identical skills handle failure in completely opposite ways—one giving up immediately, while the other fights through adversity to triumph.

Stanford psychologist Albert Bandura discovered "Self-Efficacy"—the personal conviction that you have the power to overcome obstacles and accomplish a goal. Bandura showed that confidence is built through "enactive mastery": by stacking small, concrete real-world victories, the brain rewires its perception of fear, transforming self-doubt into persistent grit.

Self-efficacy became the cornerstone of modern cognitive behavioral therapy. By powering public health addiction interventions, by boosting math and science confidence in young students, and by elevating human agency, Bandura’s theory champions human potential.

Reference

Bandura, A. (1977). Self-efficacy: Toward a unifying theory of behavioral change. Psychological Review, 84(2), 191–215.

Title

Self-efficacy: Toward a unifying theory of behavioral change.

Abstract

The number of thalassemia patients in Indonesia is predicted to rise every year. This genetic disease could cause psychological impact and large expenses for patients, families, caretakers, and the government. This study aimed to analyze the correlation between perceived barriers (PB) and consideration of future consequences (CFC), and also their interaction with behavioral intention (BI) to undergo a thalassemia screening as part of preventive health behavior (PHB). Participants were 411 young adults, aged 18 to 25 years old (M = 20.47). The measurements used in the study were adapted versions of PHB Scale, the CFC-14 Scale, and BI Scale. Main results from PROCESS regression analysis showed, (1) a negative and significant influence from the PB to BI (b1 = -0.0089; p 0.05), (3) the interactions of PB and CFC had insignificant influence toward BI (b3 = -0.0005; p > 0.05). Self-efficacy, as controlled variable, had significant correlation with BI and became strong predictor toward the intention to enact PHB. This study concluded that barriers remain as dominant factor that determines someone's PHB. The more elaborate patient's knowledge, the more they see barriers as challenges, therefore the higher their efficacy to enact PHB.

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