Table A1.

Items for Behavioral Problems

Internalizing Problems	Externalizing Problems	Teacher-Reported Behavior Problems
I don’t want others to meddle in my own business.	I quarrel with others.	Has difficulty focusing his/her attention
I can’t concentrate on what I am doing.	I lose my temper.	Likes to actively participate in class
I have many strange/weird ideas (often daydream)	I like to brag.	Fearful or anxious
I easily get flushed. (I am easily frustrated or anxious.)	I can’t concentrate on what I am doing.	Disobedient
I can’t do things well when my parents are not present. (I usually need help from adults to do something well.)	I like to show off my strengths in front of others.	Has trouble getting along with other children
I am very indifferent to others.	I steal things from others or my home.	Obeys instructions
I am very shy.	I break things on purpose.	Drowsy in class
I am often teased by classmates.	I do not observe school discipline.	Disrupts class
I do not feel guilty, even if I have done something wrong.	It bothers me if others do things better than I do.	Unhappy, sad, depressed
I always want to be the center of attention.	Even if I know I am wrong, I am reluctant to listen to others.
I often am suspicious of others.	I always want to be the center of attention.
My temper changes quickly and easily.	I often am suspicious of others.
I feel inferior to others.	I act impulsively
I prefer to be alone.	I often say obscenities.
I often feel nervous.	I often make fun of others.
I stay quiet when I am with my classmates or friends.	I sometimes tell lies.
There is always something to worry about.	I am easily angered.
	I often disregard other people’s ideas.
	I sometimes menace and even hurt others.