Julian Rotter

1. Focused on Social-Cognitive research.

2. Key Concepts

2.1. Locus of Control

2.1.1. The extent to which people believe that they can control events in their lives.

2.2. Internal vs. External

2.2.1. Someone with an internal locus of control believes that he or she can influence events and their outcomes.

2.2.2. Someone with an external locus of control blames outside forces for everything.

3. Recognized as one of the 100 most influential psychologists of the 20th century.