id author title date pages extension mime words sentence flesch summary cache txt crl-13257 Baldwin, Julia F.; Rudolph, Robert S. The Comparative Effectiveness of a Slide/Tape Show and a Library Tour 1979-01-01 5 .pdf application/pdf 2639 193 69 When the tours and slide presentations were over, the students were immediately given a twenty-itemĀ· test. In all but the two sections of the slide/tape group that were not monitored by the authors of this article, students were told just before taking the test that it was part of an experiment to determine the rela- tive effectiveness of tours as compared to slide/tape presentations. cache/crl-13257.pdf txt/crl-13257.txt