Measuring efficiency in supervision and teaching /
Crabbs, Lelah Mae, 1885-
Measuring efficiency in supervision and teaching / by Lelah Mae Crabbs - New York : AMS Press, 1972 - vii, 98 p. : ill. ; 22 cm. - Contributions to education ; no.175. .
Reprint of the 1925 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 175. Originally presented as the author's thesis, Columbia.
Bibliography: p. 98.
0404551750
Teachers--Rating of
Psychological tests
Measuring efficiency in supervision and teaching / by Lelah Mae Crabbs - New York : AMS Press, 1972 - vii, 98 p. : ill. ; 22 cm. - Contributions to education ; no.175. .
Reprint of the 1925 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 175. Originally presented as the author's thesis, Columbia.
Bibliography: p. 98.
0404551750
Teachers--Rating of
Psychological tests