Effectiveness of Computer Usage in Education and Its Barrier

The purpose of this study was to determine the quality of the field of using the computer, its effectiveness as well as the barriers to using it in learning processes from the viewpoints of teachers. This non-experimental study was descriptive that the statistical population consisted of all secondary school teachers in Tehran, district 3 in the academic year 2012-2013. And finally, the sample size was 90 people selected by random sampling. For collecting data, a researcher-made questionnaire with a Likert scale and validity of 85/0 was used. Then data were analyzed by one-way t-test, independent t-test, one-way variance analysis, Tukey and Pearson correlation using SPSS software. The results showed the teachers believed that there is no appropriate contex and field to use computers in schools, but if the desired conditions are set, the effectiveness of training with computers would be high; and also teachers reported high barriers to using computers. In addition, there was no significant difference between the viewpoints of male and female teachers about the use of computers, the effectiveness of computer as an intermediary in training, and the barriers to using computer as a training medium. Moreover, teachers who had more experience claimed considerably the barriers of using computer as educational media than teachers with less than teaching backgrounds. From teachers’ viewpoints with Ph.D. degree, the contex of computers’ usage in schools and the effectiveness of computer as an intermediary in training had been evaluated at a more desirable level.