“…In the beginning, the self-assessment consisted of possibilities of misconception causes such as pre-conception, the lecturer's explanation reason, the reason of the applied books, the students' misunderstandings, assumptions about animals, plants, and surrounding objects that are assumed as if they were humans, having been mistakes mathematically and mistakes in calculation, having been mistakes in the graph and the table, having been mistakes to use a certain formula, unit conversion, symbol, and scientific term, and other reasons that should be written by the students. Some of the factors that cause misconceptions are abstract concepts that are difficult to apply, students' understanding in everyday life, the quality of textbooks, the language used, and the teacher [37]. However, all experts agreed that the selfassessment had been reliable but it was not specific in identifying the students' misconceptions so that the selfassessment had to be made in more detail in order to be able to measure the extent of students' knowledge.…”