This study investigates the effects of an educational computing course on preservice teacher\'s teaching efficacy, attitude and anxiety toward computer. Research questions were as follows: 1) What is the effects of an educational computing course on preservice teacher\'s teaching efficacy toward computer? 2) What is the effects of an educational computing course on preservice teacher\'s attitude toward computer? 3) What is the effects of an educational computing course on preservice teacher\'s anxiety toward computer?
Subjects of this study were 90 sophomore at W University in I city and H University in K city. The educational computing course in this study was constructed by researchers based on Espinosa & Chen(1996), Epstein(1993), Ainsa(1992), Kim & Kim(2003), Lee(2000)\'s study. It was used over a 16-week period. And preservice teacher\'s teaching efficacy, attitude and anxiety toward computer instrument was used Sim(2001), Landerholm(1995) and Spodek(1987). The date were administered and analyzed by M, SD, two independent t-tests with spss/pc program. The study results found that the educational computer course increased positively teacher\'s teaching efficacy toward computer and it increased positively teacher\'s individual and general teaching efficacy toward computer. The educational computer course increased positively preservice teacher\'s individual and professional attitudes toward computer and it decreased preservice teacher\'s anxiety toward computer.