This Encyclopaedia (In Five Volumes) Is The Outcome Of The Information Collected For The Resources Centre Of Isd. Its Aim Is To Make Both The Elements Of Basic Logic And The Research Procedures Of Modern Social Science Understandable At All Levels, Where The Researchers Should First Be Introduced To Them. It Has Been A Working Assumption In Our Institute That Such An Understanding Of Research Technique Is Indispensable To The Researcher. In The Changing Field Of Social Science, The Person Who Is Unwilling To Learn How Conclusions Reached Can Not Judge Properly Whether Or Not The Conclusions He/She Reads Are Correct.Volume Wise Organizations Of The Encyclopaedia Are: Theoretical Concept Of Social Research; Areas And Tools Of Social Research; Data Collection Analysis And Interpretation In Social Research; Statistical Methods In Social Research; And Reporting In Social Research.These Volumes Are Primarily Intended For Social Scientists, Teachers And Students Interested In Social Research. The Approaches Of The Encyclopaedia Are Exploratory And Its Purpose Is Introductory, So Besides Professionals It Would Offer To A Much Wider Range Of People.