Table 2.

Item content.

	Content
PBS1	I try to make sad people happier
PBS2	I spend time with my friends
PBS3 *	When I have to do things that I don’t like I get mad
PBS4	I try to help others
PBS5	I am gentle
PBS6 *	I cry about things thet don’t matter
PBS7	I share thins I like with my friends
PBS8 *	I feel annoyed
PBS9	I help others with their homework
PBS10	I let others use my toys
PBS11 *	I have bad dreams
PBS12	I like to play with others
PBS13	I trust others
PBS14 *	I bite my fingernails
PBS15	I hug my friends

Notes: * Control items.