Rosenthal and jacobson
pygamalian in the classroom - fake IQ test and random 20% said to be bloomers - saw they had blown
Rist
US primary school - teacher used home background to group students
tigers = neat m/c, fast students
cardinals= w/c middling ability
Clows= w/c troublesome
Horgenson
ideal pupil vary accord to make up of school
w/c school - ideal was quite passive and obdient
m/c school - ideal was personality and academic rather than behaviour