6.2 Study population and sample
The study population consists of all students who are studying science in the first basic education. The study
sample includes (40%) of the research population in three Omani educational regions. The two groups
(experimental and control) in each field treatment should be equivalent in the terms of study variables; and pre
and post application. Each field experiment will have different type of e-lab: 3D, 2D, and online based labs