SUMMARY
The current research aims to identify the barriers faced by the candidates during the implementation of the e- portfolio in an educational environment. How to implement the e-portfolio at the College of Education, Sultan Qaboos University in light of the theory of diffusion of innovation. The research sample consisted of 122 out of 233 field-training candidates from undergraduate students in all disciplines at the College of Education, Sultan Qaboos University. The research applied the descriptive approach, and the research tool is a questionnaire consisted of 39 items entitled "Barriers of Application of the e-portfolio". Statistical treatments were performed as the mean, standard deviation, T-test, and ANOVA by using SPSS. The results indicated that there are barriers during the implementation of the e-portfolio related to candidates and other related to educational environment. The results also indicated that there are statistically significant differences at the level of significance (0.05) attributable to each of the two variables of specialization, and technological skills in identifying barriers related to candidates and the educational environment. According to the results, the research recommends integrating the e-portfolio into all courses, using special platform for applying the e-portfolio uniformly.https://doi.org/10.26803/ijlter.22.4.28