TY  - BOOK
AU  - Donaldson,Theodore S.
ED  - Research and Development Corporation,
TI  - Subjective scaling of student performance
T2  - The Rand paper series
PY  - 1971///
CY  - Santa Monica, California
PB  - Rand Corporation
KW  - Grading and marking (Students)
KW  - Scaling (Social sciences)
N1  - Includes bibliographical references (page 15)
ER  -