فاعلية المختبرات الافتراضية في ظل التعليم عن بعد في تنمية مهارات الأداء المعملي لدى طالبات المرحلة الثانوية في الكيمياء في المدينة المنورة

الملخص EN

The study aimed to find out the effectiveness of the virtual laboratory under distance education in the development of laboratory performance skills in a unit of the chemistry course among high school students in the first grade secondary school, the study followed the semi-experimental curriculum, and included the study community of all high school students in Medina in the second semester of 1442 Ah, and the sample of the study consisted of the students of the first grade high school in the twelfth high school in Medina, which numbered (60) students, the sample was selected randomly and Distributed into two groups, the first group consisted of (30) students studied by the technique of the virtual laboratory remotely and the second group consisted of (30) students studied in the method of distance education without the use of the virtual laboratory, and the study tools consisted of laboratory skills testing and skilled performance measure in the virtual laboratory prepared by the researcher and applied tribal and post test on the two groups and applied the skilled performance measure of the experimental group, and to achieve the objectives of the study a range of statistical processes were used including the statistical package program of science Social(SPSS)data analysis, testing(t)and alpha klonbach equation for stability and standard deviations, the results of the study showed the effectiveness of the use of virtual laboratory technology under distance education in the development of laboratory performance skills for the benefit of the experimental group, and based on these results recommended the researcher a number of recommendations and proposals, including the need to take care of virtual laboratory technology and use it under distance education to give students the skills needed to raise their ability to self-reliance in learni