Main purpose of assessment is to obtain information for the improvement of teaching and learning.  If assessment is to be a positive force in education, it must be implemen â¦ ted properly.
Albert S. Osborn (1858 - 1946) is a pioneer in forensic science that was involved and developed all of his time to the study of evidence in questioned documents. Question documents involves with handwriting. So, the job of the experts is to find out how, when, and by whom certain documents were prepared.
Hempel. Hempel (1905 - 1997) was one of the most influential philosophers of the twentieth century history of the philosophy of science, known especially for his criticism of the inductive method, known as the Raven Paradox.