Purpose: The purpose of this study was to examine the relationships among tutor evaluation, peer evaluation and self
evaluation in PBL. Methods: 97 nursing students who had PBL methods in their learning performed 3 different tutor, peer
and self evaluations consecutively with the PBL Effectiveness Evaluation Tool. The SPSS/WIN software program was used
to analyze the data and statistics with descriptive statics, ANOVA, skewness, kurtosis and correlation. Results: Self evaluation
score was higher than both tutor and peer evaluations for 3 different evaluations. There was a significant correlation
between peer evaluation and self evaluation. Conclusion: In order to enhance the effectiveness of PBL, evaluation methods
shall be developed further to reduce the evaluation difference between various evaluators