Among that are the IQ-tests of Alfred Binet, Howard Gardners theory of multiple intelligence and the cognitive theories and educational theories of John Dewey and Jean Piaget, wich have greatly affected the cognitive theories of our days.
Þar ber helst að nefna greindarpróf Alfred Binet, fjölgreindarkenningu Howard Gardner og þroska-og námskenningar John Dewey, Jean Piaget og Vygotsky, sem allir hafa haft gríðarleg áhrif á uppeldiskenningar allt fram til okkar daga.