Perspective of Islamic Azad University Chaloos Branch faculty members about user interface of Islamic Azad University Digital Library based Nilson's Model

The aim of this study was checking how well the faculty of Azad Islamic University of Chaloos understand the digital library‘s user interface based on Nilson Model.
The research method of this research was analytic - measurement. Statistical population included 310 of faculty members of Azad Islamic University of Chaloos. The method of sampling is random systematic. The mass of sample based on Cokeran formula had defined 172 persons. The research instrument was a questionnaire, the Cronbachalpha coefficient value was 0.7560. Descriptive and non-parametric Mann-Whitney, UtestandWilcoxon and T Student were used for analytical measurements. Spss Software was used for data analysis.
Findings: Results showed that 10 out of the UI component model of software Nielsen in terms of faculty were above average. There was a meaningful correlation between Satisfaction of faculty members about interface and its familiarity with the user interface, there was a significant correlation between the components except (help users to identify, correct errors) between faculty satisfaction rate of user interfaces. In other components, there was no significant relationship.The hypothesis test showed no significant differences between the views of different groups of educational faculty members about user interface of the software.
Based on the viewpoint of faculty members of Islamic Azad University of Chaloos Branch Library software user interface represents the average level of satisfaction. Faculty satisfaction depended on their familiarity with the user interface, but there was no significant difference between different educational groups.