By Pia Jones, Tamsin Cooke, Sarah Pimenta
By Usha Goswami
By Alison Waterhouse
By E Mark Stern, Robert B Marchesani
By David Sedgwick (Clinical psychologist in Virginia, USA)
By Fay Fransella, Peggy Dalton
By Betsy de Thierry, Emma Reeves
By Betsy de Thierry, Emma Reeves, David Shemmings
By Patricia H. Berne, Louis M. Savary
By Collins, Gary R.
By Paul Bloom
By Scott W. Henggler, Charles M. Borduin, Sonja K. Schoenwald, Susan G. Pickrel, Melisa D. Rowland
By Wendy K. Silverman (Florida International University), Philip D. A. Treffers (Rijksuniversiteit Leiden, The Netherlands)
By Kathy Sylva, etc.
By Amanda Holt, Cris Hoskin, Helen Richardon Foster, Kevin Lowe, Sarah Lindfield
By Trevor Lubbe
By Joanna Richardson, Carol Joughin
By Marc H. Bornstein (Eunice Kennedy Shriver National Institute of Child Health and Human Development, USA)
By Marc H. Bornstein (National Institute of Child Health and Human Development, Bethesda, MD, USA)
By Sylvie Naar-King, Deborah A. Ellis, Maureen A. Frey, Michele Lee Ondersma
By Robert E. Larzelere, Amanda Sheffield Morris, Amanda W. Harrist
By Harris, Judith Rich
By Theresa L. Crenshaw, James P. Goldberg
By Kirsten Asmussen (King's College London, UK)
By Dora Black, Jean Harris Hendriks, Tony Kaplan
By Michael Rutter (MRC Child Psychiatry Unit, London), Henri Giller, Ann Hagell
By RM Lerner
By Elizabeth Brown, Roger Bullock, Caroline Hobson, Michael Little (all of Darlington Social Research Unit)
By Jonathan Hill (Royal Liverpool Children's Hospital), Barbara Maughan (Institute of Psychiatry, London)
By Renuka Jeyarajah Dent, Ann Hagell