By Peet, Richard, Hartwick, Elaine R.
By Bettelheim, Bruno
By Ridley, Matt, Matt Ridley
By Paul R. Ehrlich, Stanford University, Robert E. Ornstein
By Dolan, Paul
By Hayes, Nicky, Orrell, Sue
By Rainer, Tristine
By Gun Semin, Klaus Fiedler, Semin, Gun R.
By David Fontana, Fontana, David
By Margaret Donaldson
By Linda Pacha
By Steve Ingham, Nacy Callegari
By Claire M. Zedelius, Barbara C. N. Muller, Jonathan W. Schooler
By Judith Greene, Manuela D'Oliveira
By Chris Chandler (London Metropolitan University, UK)
By Malkin, Dr Craig
By Gary A. Klein (Dr.)
By Robert B Cialdini, PhD
By Claude Steiner, Paul Perry
By Richard Brodie
By Malcolm Gladwell
By Judith Viorst
By Carol S. Dweck
By Grint, Keith
By Peter Hawkins
By Prof Paul Ekman (Professor of Psychology)
By Doreen Virtue
By Carlson, Richard
By Lyth, Isabel E. P. Menzies-
By James W Williams