Summary.The objective structured practical examination (OSPE) together with the classical practical examination (CPE) form the basis for evaluation of laboratory teaching at the All India Institute of Medical Sciences, New Delhi. Students' attitudes to OSPE and CPE were assessed by preparing a questionnaire containing 32 item statements on Likert's 5‐point scale (LS) and 11 bipolar adjectives on Osgood's 7‐point Semantic Differential Scale (OSDS). The questionnaire was administered to 50 medical undergraduates before their final examination. Forty‐two (84%) students responded to the questionnaire. The LS showed high internal consistency and validity. Attitude scoring on LS and OSDS revealed a high degree of correlation. The majority of students showed a positive attitude to OSPE, and high‐rank students had a greater intensity of positive attitude. OSPE was rated as a reliable, effective, useful, interesting and challenging examination, although considered taxing, mentally and physically. The students preferred a combination of OSPE and CPE as in the present system to a complete change‐over to the OSPE. The item analysis of the questionnaire is