Probability of Publication Bias in Published Articles Resulting from Dental Dissertations of Medical Sciences Universities in Iran

Abstract Objective: To evaluate the association of publication bias with obtaining positive or negative results in the Doctoral thesis of Iranian dental schools. Material and Methods: In this cross-sectional study firstly we collected all the abstracts of Doctoral and post-doctoral thesis belonging to electronic archives of five Iranian dental schools there after the analytic abstracts were included and in the second phase, we try to search resulting articles with searching in Google Scholar. Data were analyzed using descriptive statistics and a Chi-squared test, Pearson’s correlation coef...