ANSWER: (D) BASIC; APPLIED
EXPLANATION: Psychology is the science of behavior and mind in human and animals. Psychology can also be define as the scientific discipline that studies mental states and behaviour in humans and other animals.
However, psychology has diverse branches or sub-fields of study such as human development, health, sports, clinical, social behaviour and cognitive processes.
Psychologists make use of different approach in their findings or research work.
Psychologists who makes use of BASIC research expand psychology knowledge base by understanding the laws and procedures that underlie cognition, emotion, and behavior. Basic psychologists provides a framework or foundation for applied psychology.
Whereas, some psychologists makes us of APPLIED research (involving the use of psychological methods and findings of scientific psychology) to proffer solutions to practical problems of human and animal behavior and experience.
Application of psychological findings have improved; mental health, business management, education, law, health, product design etc. Hence, they are classified under clinical psychology, evolutionary psychology, industrial and organizational psychology, legal psychology, counseling psychology etc.