By J. Christodoulou
By S. Halling
By P. Ryan, S. Ramon, T. Greacen
By C. High, A. Kelly, J. Mair
By D. Kidner
By G. Allan, G. Crow, S. Hawker
By John Edwards
By Julia Willerton
By S. Williams
By M. Shildrick
By A. Styhre, Mats Sundgren
By J. McLaughlin, Dan Goodley, Emma Clavering, P. Fisher
By B. Sorensen
By Roger Tourangeau (The Gallup Organization), Lance J. Rips (Northwestern University, Illinois), Kenneth Rasinski (University of Chicago)
By R. Jones, M. Morioka
By A. Schutz, M. Sandy
By Penny Parks
By Andy McNab, Professor Kevin Dutton
By Raymond A. R. MacDonald (, Department of Psychology, Glasgow Caledonian University), David J Hargreaves (, Faculty of Education Psychology, University of Surrey Roehampton), Dorothy Miell (, The Open University)
By Pete Wilson
By Sigmund Freud, James Strachey, Peter Gay
By Marilynn B. Brewer (Ohio State University), Miles Hewstone (Oxford University, UK)
By Wiseman, Richard
By Sidney Marshall Jourard
By Matthew Crawford
By Dr Arthur Janov
By Lynne Crawford, Linda Taylor
By Michael Harris
By James W. Stigler (University of Chicago), Richard A. Schweder (University of Chicago), Gilbert Herdt (University of Chicago)
By Mihaly Csikszentmihalyi