No emphasis on concepts and misconceptions. Students are not able to spot their weak areas in a topic and do not know how to rectify them. Students do not have confidence in their degree of conceptual clarity. The need to read through all the portions of a book. 1.1 Blind problem solving Solving lots of problems without understanding the concepts will confuse the students.
Blind problem solving makes little sense.
Solving a lot of problems will not give you a greater conceptual clarity. If the answers do not match, either the student will try a different approach, and keep trying until he gets a matching answer or is thoroughly confused. Once a student gets the matching answer, the more studious one will analyze his steps. Now he is thoroughly confused. If a similar problem again appears in the exam, the virtuoso practitioner of this technique will make a killing.