Abstract
IN THE SELECTION AND EVALUATION PROCESS FOR COLLECTION DEVELOPMENT, MANY LIBRARIES USE BRADFORD'S LAW TO IDENTIFY THE MOST PRODUCTIVE JOURNALS. HOWEVER, BECAUSE THE BRADFORD'S LAW ESTABLISHES A CUT IN A TIME-SPAN, THERE IS A POSSIBILITY THAT ALONG THE TIME-SPAN JOURNALS WITH DIFFERENT YEARS OF PARTICIPATION AND DIFFERENT FREQUENCIES OF PUBLICATION WILL OCCUR. SO, IT IS POSSIBLE THAT NOT ALL THE JOURNALS WILL HAVE THE SAME OPPORTUNITY TO PUBLISH RELEVANT ARTICLES ON THE SUBJECT AS STATED BY THE BRADFORD'S LAW. THE OBJECTIVE OF THIS RESEARCH IS TO DEMONSTRATE THESE ASSUMPTIONS. THE FINDINGS SHOWS THAT THERE IS A HIGH CORRELATION BETWEEN FREQUENCY OF PUBLICATION, YEARS OF PARTICIPATION, AND PRODUCTIVITY OF A GIVEN JOURNAL. THE LINEAR REGRESSION ALSO SHOWS THAT THERE IS A CAUSE-EFFECT RELATIONSHIP BETWEEN THESE VARIABLES. AN ALTERNATIVE MODEL BASED ON A STANDARDIZED INDEX OF PRODUCTIVITY PROVE TO BE MORE ADEQUATE TO IDENTIFY JOURNALS THAT AT THE SAME TIME ARE BOTH DEVOTED TO THE AREA AND MORE PRODUCTIVES.Authors:
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