Definition: Psychology is the scientific study of the human mind and behavior.


  1. Cognitive Psychology: Investigates mental processes such as perception, thinking, memory, and problem-solving.
  2. Developmental Psychology: Examines the changes in human behavior and mental processes across a lifespan.
  3. Social Psychology: Focuses on how individuals’ thoughts, feelings, and behaviors are influenced by the presence of others.
  4. Abnormal Psychology: Deals with the study and treatment of psychological disorders and atypical behavior.
  5. Biological Psychology: Explores the biological factors and mechanisms that underlie behavior and mental processes.
  6. Experimental Psychology: Involves conducting controlled experiments to investigate various psychological phenomena.
  7. Industrial-Organizational Psychology: Applies psychological principles to improve productivity, job satisfaction, and overall well-being in the workplace.