By Friedrich Nietzsche
By Lepage, Catherine
By Lazarus, Richard S., Lazarus, Bernice N.
By Rubin, Gretchen
By American Psychological Association
By Bandura, Albert
By Burns M.D., David D
By Peck
By Stahl, Stephen M.
By Smullyan, Raymond M.
By Gleitman, Henry
By Carol Gilligan
By Higbee Ph.D., Kenneth
By Hadley, Josie
By Eysenck, Michael W., Keane, Mark T.
By Lipman, Frank
By Syed, Matthew
By Gross, Richard D.
By Noël Janis-Norton
By Donaldson, Margaret
By Ariely, Dan
By Harvey, Steve
By Passer, Michael, Smith, Ronald, Holt, Nigel, Bremner, Andy, Sutherland, Ed, Vliek, Michael
By Quilliam, Susan
By James, Oliver
By Coyle, Daniel
By Peck, M. Scott
By Rowntree, Derek
By Pinker, Steven
By Vizinczey, Stephen