Jean-Paul Sartre noted that although human beings strive for rational explanations for existence, they will never find one. He viewed human life as a "futile passion", and his emphasis on human freedom, choice, and responsibility is well known in Existential theory . He openly critized the determinism of Freud and wrote about Existential Psychology
Jigsaw classroom is defined as a classroom setting designed to reduce prejudice and raise the self -esteem of children by placing them in small, desegregated groups and making each child dependent on the other children in his/her group to learn the course material and do well in the class.
Jigsaw method refers to a team-learning technique developed by Elliot Aronson and his colleagues which involves assigning topics to each student, allowing students with the same topics to study together, and then requiring these students to teach their topics to the other members of their groups .