This study proposes a causal model for investigating teacher acceptance of technology. We received 258 effective replies from teachers at public and private universities in Taiwan. A questionnaire survey was utilized to test the proposed model. The Lisrel was applied to test the proposed hypotheses. The result shows that computer self-efficacy has a strongly positive effect on perceived ease of use and teacher intention to use. Overall, model and data fit was excellent and had satisfactory explanatory power. Most hypotheses were accepted. (Contains 4 tables and 2 figures.)