1
by Meltzoff
Published 1998
2
by Ciccarelli
Published 2006
3
Published 2010
4
Published 2010
5
by MacKinnon
Published 2009
6
by Trenholm
Published 2009
7
by Thiroux
Published 2010
8
by Nolen-Hoeksema
Published 2008
9
by Livingston
Published 2009
10
by Fisher
Published 2008
11
Published 2007
12
by Allen
Published 2006
13
by Dacey
Published 2009
14
by Friedman
Published 2009
15
Published 2009
16
by Brown
Published 2004
17
by Adler
Published 2011
18
by Cunningham
Published 2010
19
by Fisher
Published 2008
20
by Frager
Published 2005