DEVELOPMENT OF VIRTUAL LAB-BASED PRACTICUM ON BLOOD MATERIALS AND BLOOD COMPONENTS AND THE DETERMINATION OF FOOD NUTRITIONAL SUBSTANCES ON STUDENT LEARNING OUTCOMES Neva Asih Sary Silalahi*, Ida Duma Riris, Marham Sitorus
Universitas Negeri Medan
Abstract
This study aims to develop a virtual lab-based practicum to improve student learning outcomes. This research is development research. The development model used is the ADDIE model. The subjects of this study were two classes consisting of 60 students which were carried out by purposive sampling. The research instrument was an interview questionnaire, a questionnaire based on the SNPT test of learning outcomes. The analysis technique used is descriptive data analysis techniques and inferential statistics, namely one sample independent t-test and the correlation test. The results showed that the developed virtual lab-based practicum was feasible following the SNPT with the acquisition of an average feasibility of 1 material expert of 3.74 (Eligible), an average of 3.55 (Eligible) of 3 media experts, and an average feasibility of 3 media experts. 3 lecturers at 3.83 (Decent).