EVERYDAY SCIENCE

Detailed explanation-1: -There are several methods of doing comparative analysis and Tilly (1984) distinguishes four types of comparative analysis namely: individualizing, universalizing, variation-finding and encompassing (p. 82).

Detailed explanation-2: -Comparative studies are investigations to analyze and evaluate, with quantitative and qualitative methods, a phenomenon and/or facts among different areas, subjects, and/or objects to detect similarities and/or differences.

Detailed explanation-3: -For comparative studies, the design options are experimental versus observational and prospective versus retrospective.

Detailed explanation-4: -Comparative method or quasi-experimental—a method used to describe similarities and differences in variables in two or more groups in a natural setting, that is, it resembles an experiment as it uses manipulation but lacks random assignment of individual subjects. Instead it uses existing groups.