Cialdini raamat
This end
is accomplished by grouping students into cooperating teams and giving each stu-
dent only part of the information-one piece of the puzzle-necessary to pass the
test. Under this system the students must take turns teaching and helping one an-
other. Everyone needs everyone else to do well. Like Sherif's campers working on
tasks that could be successfully accomplished only jointly, the students become al-
lies rather than enemies.
When tried in newly desegregated classrooms, the jigsaw approach has gener-
ated impressive results. Studies have shown that, compared to other classrooms in
the same school using the traditional competitive method, jigsaw learning stimu-
lated significantly more friendship and less prejudice among ethnic groups. Be-
sides this vital reduction in hostility, there were other advantages: minority
students' self-esteem, liking for school, and test scores improved. The white stu-
dents benefited, too
annaabi.ee 
