History of psychology is mainly based on skepticism, critical thinking and inquisitiveness. Scientists such as Sigmund Freud have explained that the human behavior is mainly due to unpleasant and unconscious stimuli pressing regarding an expression. Normally, scientist-practitioner approach is used to for the treatment of patients, who are suffering from abnormal psychological symptoms. The concept of body-mind dualism is not explained by Sigmund Freud but this theory was explained by Franz Alexander about the co-ordinated functions of mind and behavior with body.
The scientific method is used by these clinical of above method i.e. the major “empirical research method” is to examine the effect of variables on each other to test a psychological hypothesis through systematic observations.
Thus, the options (a), (b) and (d) are incorrect.
The concept of body-mind dualism is not explained by Sigmund Freud but this theory was explained by Franz Alexander about the co-ordinated functions of mind and behavior with body.
Therefore, the correct option is – c). Franz Alexander.