Effects of Web-Based Instruction on Nursing Students' Arithmetical and Drug Dosage Calculation Skills

Drug dosage calculation skill is critical for all nursing students to ensure patient safety, particularly during clinical practice. The study purpose was to evaluate the effectiveness of Web-based instruction on improving nursing students' arithmetical and drug dosage calculation skills using a pretest-posttest design. A total of 63 nursing students participated. Data were collected through the Demographic Information Form, and the Arithmetic Skill Test and Drug Dosage Calculation Skill Test were used as pre and posttests. The pretest was conducted in the classroom. A Web site was then constructed, which included audio presentations of lectures, quizzes, and online posttests. Students had Web-based training for 8 weeks and then they completed the posttest. Pretest and posttest scores were compared using the Wilcoxon test and correlation coefficients were used to identify the relationship between arithmetic and calculation skills scores. The results demonstrated that Web-based teaching improves students' arithmetic and drug dosage calculation skills. There was a positive correlation between the arithmetic skill and drug dosage calculation skill scores of students. Web-based teaching programs can be used to improve knowledge and skills at a cognitive level in nursing students.

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