id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-14905	Cherry, Joan M.; Yuan, Weijing; Clinton, Marshall	Evaluating the Effectiveness of a Concept-Based Computer Tutorial for OPAC Users	1994-07-01	10	.pdf	application/pdf	5090	306	62	%No %All Tutorial Instruction N=30 N= 15 N=15 chi-sq df p Used University of Toronto OPAC before (N = 30) 83.3 86.7 80.0 0.240 .624 Used other OPAC (N = 30) 63.3 66.7 60.0 0.144 .705 Received OPAC instruction (N = 30) 40.0 33.3 46.7 0.556 1 .456 Received card catalog instruction (N = 30) For ex- ample, in a study of computer program- ming, Bayman and Mayer found that students of lower ability benefited more from concept-based instruction than those of higher ability (as measured by SAT scores).19 Similarly, in discussing a study of OPAC instruction conducted at Stanford University where the results were not as strong as she had hoped, Borgman com- mented that a less sophisticated sample might have benefited more from the con- ceptual models provided.	cache/crl-14905.pdf	txt/crl-14905.txt