Objective – In the study, a teaching model was devised named as “concept formation teaching model” and its effect on grade IX students' academic achievement was investigated over lecture method.Methodology/Technique – Experimental group (143 students) and control group (147 students)...

Introductory economics courses emphasize opportunity cost, comparative advantage and specialization to show the benefits of trade. We assert that this emphasize leads to erroneous student mindset that trade requires specialization based on comparative advantage. We test students who have been...

Generalized Continuum Hypothesis is derived from a simple axiom called Axiom of Combinatorial Sets. Instructors are forewarned that the axiom is new and hence should be examined critically before using it