TY - BOOK ED - United Kingdom. Schools Council. ED - Willmont, Alan S. ED - Hall, Cedric G. W. TI - O level examined: the effect of question choice SN - 0333176499 PY - 1975/// CY - London PB - Macmillan Education KW - Examinations KW - United Kingdom N1 - Includes indexes; p. 189-193 ER -