The effect of trait differences in ability grouping,
Cornell, Ethel Letitia, 1892-
The effect of trait differences in ability grouping, by Ethel L. Cornell ... - Albany, The University of the State of New York Press, 1931. - 26, [2] p. diagrs. 23 cm. - University of the state of New York bulletin ... no. 981. Oct. 1, 1931 .
"References": p. 26.
e 31000712
Ability.
Educational tests and measurements
Grading and marking (Students)
Ability--Testing.
LB3061 / .C647
The effect of trait differences in ability grouping, by Ethel L. Cornell ... - Albany, The University of the State of New York Press, 1931. - 26, [2] p. diagrs. 23 cm. - University of the state of New York bulletin ... no. 981. Oct. 1, 1931 .
"References": p. 26.
e 31000712
Ability.
Educational tests and measurements
Grading and marking (Students)
Ability--Testing.
LB3061 / .C647