Decision Support System in the Nursing Instruction Information System.

The purpose of this study is to explore the usage frequency of the decision support instruction in the nursing information system, and to survey the technology acceptance among nurses in one hospital. The results indicated that the usage frequency of the care instruction was increased from 191.3 to 1308.5 per month. Nurses also rated the "perceived usefulness" the highest score, followed by "perceived ease of use" in the survey.