By Sally Planalp (University of Montana)
By Brian Parkinson, Agneta H. Fischer, Antony S.R. Manstead
By Steven Pinker
By Rachel Botsman
By Alain Pekar Lempereur, Pekar Lempereur, Alain, Salzer, Jacques, Colson, Aurélien
By Nettle, Daniel
By Douglas Rushkoff
By Barry Schwartz
By Michael Billig (Loughborough University)
By Malcolm Gladwell
By Ian Eyres
By Judith Herman
By Anneli Rufus
By Laura Dodsworth, Patrick Fagan
By Nollaig Frost
By Christiane Sanderson
By John McGowan, Frankie McGowan
By Roger Pielke, Simon Kuper
By Annalisa Berta, James L. Sumich
By Anthony Walker (Msc PhD Frics Fhkis McIob Emeritus Professor University of Hong Kong), Dr John G Gunderson, M.D., MD (McLean Hospital)
By John Welwood
By Peck, M. Scott
By Jon Ronson
By James Ball
By Jeremy A. Smith, Jason Marsh, Rodolfo Mendoza-Denton
By Jan Fook; Fiona Gardner, Jan Fook, Fiona Gardner
By David Livingstone Smith
By Michael Hogg, Graham Vaughan
By Stanley Milgram