id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-13831	American Library Association, 	Letters	1982-07-01	2	.pdf	application/pdf	991	47	58	Demonstrating that the key variable is bibliographic instruc- tion rather than library use itself would require an experimental design, testing whether the scores of individuals known to have undertaken significant library use with- out instruction were lower than instructed students, thereby controlling for library use. The authors and I agree that statistical techniques often have an important role to play in evaluation, including the evaluation of bibliographic instruction .	cache/crl-13831.pdf	txt/crl-13831.txt