The present post describes important topics to study for UGC Net Education, PGT Education, UGC Net Paper 1, NTA Net Paper 1, NTA Net Paper 2, and other assistant professor exams in Education Subject. Unit 6: Research in Education Variables: Meaning of Concepts, Constructs and Variables, Types of Variables (Independent, Dependent, Extraneous, Intervening and Moderator), Hypotheses - Concept, Sources, Types (Research, Directional, Non-directional, Null), Formulating Hypothesis, Characteristics of a good hypothesis, Steps of Writing a Research Proposal, Concept of Universe and Sample, Characteristics of a good Sample For more detailed discussion on these topics Subscribe Educators Plus.