Data gathering, analysis and protection of privacy through randomized response techniques: qualitative and quantitative human traits / edited by Arijit Chaudhuri (Indian Statistical Institute, Kolkata, West Bengal, India), Tasos C. Christofides (University of Cyprus, Nicosia, Cyprus), C.R. Rao (C.R. Rao AIMSCS, University of Hyderabad Campus, Hyderabad, India)