Day after day, when we speak to different people we make use of practical, applied psychology. Instinctively we try to as certain their thoughts and reactions so that we may draw conciseSioux to account for their behavior. By such processes, we can form opinions as to their knowledge and character. This type of psychology constitutes an essential part of our associations with everyone. Depending upon personal ability keen observation and individual conditions we can advance to a certain degree in this science of judging men. Without such practical experience, such applied psychology, neither jurists nor businessmen can secure the necessary advantage that brings any endeavor to a successful close.To understand the actual process of forming these judgments , we find that two distinct methods are used, one being as essential as the other – namely, experience and thought, or empiry and speculation. These methods are of prime importance in forming judgments and entail two distinct mental operations. Only by joining both operations can a complete judgment or decision result.The more experience a man has in finding related occurrences , similar mental pictures, or similar events this mind the more he isapt to group them correctly in correlation to past experiences and the more sound will be the resultant judgment.