This makes their confidence and motivation more fragile. Many studies indicate that, contrary to popular belief, praise focused on abilities or intelligence can have a number of harmful effects when children believe the praise is insincere (Meyer, 1992), or when they feel pressured to reproduce or exceed their abilities. their performance in the future (Baumeister, Hutton and Cairns, 1990 - find the reference). Dweck and Mueller 1998 conducted a study of 400 fifth graders in the United States, examining the effect of praise on learners. The students had to take a relatively simple test consisting of non-verbal puzzles. Once they finished, half of the learners were given the score and praised based on their intelligence, the other half were praised for their effort. Subsequently, the students were asked to choose between two different tests: one more difficult or one easier. Of the students who were praised for their efforts, almost 90% chose the most difficult test. After that, testing students' fear of failure, the test was much more difficult. Students praised for effort worked much harder on the problems than students praised for intelligence. When students were given the opportunity to review the exams of the highest or lowest performing students, the group who had been praised for their efforts were more