Clinical Psychology: Clinical psychology focuses on the assessment, diagnosis, and treatment of mental disorders and psychological problems. Developmental Psychology: Developmental psychology studies the psychological changes that occur throughout a person's lifespan, from infancy to old age. Cognitive Psychology: Cognitive psychology explores mental processes such as perception, attention, memory, language, and problem-solving. Social Psychology: Social psychology examines how individuals' thoughts, feelings, and behaviors are influenced by the presence of others and the social environment. Experimental Psychology: Experimental psychology involves conducting research to understand various psychological phenomena and processes. Industrial-Organizational Psychology: Industrial-Organizational psychology applies psychological principles to the workplace, focusing on areas such as employee selection, training, and organizational behavior. Forensic Psychology: Forensic psychology applies psychological principles to legal and criminal justice systems, including areas such as criminal profiling and eyewitness testimony. Health Psychology: Health psychology studies how psychological factors influence health, illness, and healthcare behaviors. Educational Psychology: Educational psychology focuses on understanding how people learn and develop within educational settings, and it applies psychological principles to enhance teaching and learning. Sports Psychology: Sports psychology explores the psychological factors that influence sports performance, including motivation, confidence, and concentration. Neuropsychology: Neuropsychology examines the relationship between brain function and behavior, often working with individuals who have experienced brain injuries or neurological disorders. Positive Psychology: Positive psychology investigates the factors that contribute to human well-being, happiness, and flourishing. Personality Psychology: Personality psychology studies individual differences in personality traits, characteristics, and patterns of behavior. Abnormal Psychology: Abnormal psychology focuses on understanding and treating abnormal behavior and mental disorders. Community Psychology: Community psychology emphasizes understanding and promoting the well-being of individuals within their social and community contexts. Environmental Psychology: Environmental psychology examines the relationship between individuals and their physical environment, including how it affects behavior and well-being. Psychophysiology: Psychophysiology investigates the physiological processes underlying psychological experiences and behaviors. Comparative Psychology: Comparative psychology compares and studies the behavior and mental processes of different animal species to understand evolutionary and adaptive aspects of behavior. Human Factors Psychology: Human factors psychology applies psychological principles to design and improve products, systems, and environments to enhance human performance and safety. Psycholinguistics: Psycholinguistics explores the psychological processes involved in language acquisition, comprehension, production, and representation. Consumer Psychology: Consumer psychology examines how individuals make decisions and behave as consumers, including their attitudes, preferences, and purchasing behaviors. Cross-Cultural Psychology: Cross-cultural psychology compares and analyzes psychological phenomena across different cultures to understand cultural influences on behavior and cognition. Psychology of Religion: The psychology of religion investigates the psychological aspects of religious beliefs, experiences, and behaviors.