Table 1. Pakistani medical students' knowledge and attitude towards research according to year and mode of learning at medical school.

	Year	No.	Knowledge		Attitude
			Mean±SD	p-value	Mean±SD	p-value
LBL	4th	32	58.4±17.3	0.630	60.7±27.2	0.021
	5th	34	52.6±12.9		66.2±18.6
PBL	4th	43	52.3±20.1		77.5+14.6
	5th	41	55.9±20.9		73.3+18.39

LBL, Lecture-based learning; Problem-based learning; SD, Standard deviation