UGC NET Paper 1 GA 2006 Dec Solved Paper

Practical Research, or hands on empirical study includes experiments, questionnaires, surveys, interviews, and discussion groups.
Theoretical Research or non empirical perusal of published works, available in academic journals or archives of public libraries, court rooms, includes historical and philosophical research.
Observation pertains to systematic data collection by using all human senses to examine people in natural settings or naturally occurring social situations. It is not a Method of Research.