Bibliografía (8 obras)
Statistics for the teacher. ed.
1967
Statistics for the teacher
1963
The scaling of teachers' marks and estimates. & enlarged ed..
1962
Educational guidance and the pool of ability
1959
Educational guidance and the pool of ability / Douglas M. McIntosh..
The scaling of teachers' marks and estimates
1949
Promotion from primary to secondary education
1948
Attendance of school children at the cinema
1945