The theory of self-efficacy was developed by:

Correct answer: Albert Bandura. Albert Bandura introduced self-efficacy, a person’s belief in their ability to succeed at a task.

• Vygotsky: Vygotsky is known for sociocultural theory and the zone of proximal development.
• Piaget: Piaget is known for his stages of cognitive development.
• Skinner: Skinner is known for operant conditioning.