Tag Archive for: Virtual Laboratory.

The 21st century learning summarizes students’ thinking skills in four competencies, namely critical thinking skills, creative thinking, collaboration, and good communication. Teaching materials in schools should be able to help students in practicing thinking skills. This study aims to produce interactive multimedia assisted by a virtual laboratory for respiratory and excretory system materials in humans that can improve the critical and creative thinking skills of class XI students that are valid, practical, and effective.

This type of research is development research with the Plomp modeldevelopment research which consists of three phases, namely the initial preliminary research phase, the development or prototyping phase, and the assessment phase. The research subjects are students of class XI SMAN 1 Sitiung Academic Year 2021-2022. The instrument in this study is a questionnaire of validity and practicality as well as a matter of effectiveness. The data analysis technique was validity, practicality using a Likert scale scoring and effectiveness using ANOVA using SPSS 21.

The results showed interactive multimedia assisted by a virtual laboratory obtained very valid criteria according to expert review with a value of 81.26%. The practicality of the teacher is very practical with a value of 96.66% and the student response criteria are very practical with a value of 95.71%. The effectiveness test of interactive multimedia assisted by a virtual laboratory is effective because the experimental class shows an increase in critical thinking skills. Based on these results, it can be concluded that the interactive multimedia assisted by a virtual laboratory on the respiratory and excretory system materials developed in humans is valid, practical and effective.