Table 2.

Items included in the self-regulation measure at 4–5 years and 6–7 years

Construct	Respondent	Item
Impulsive Aggression	Parent and teacher	Often has temper tantrums/hot tempers
	Parent and teacher	Often fights with other children or bullies them
	Parent and teacher	Often argumentative with adults
Hyperactivity	Parent and teacher	Restless, overactive, cannot stay still for long
	Parent and teacher	Constantly fidgeting or squirming
	Parent and teacher	If this child is upset, it is hard to comfort him/her
Lack of Persistence & Inattention	Parent and teacher	The child likes to complete one task or activity before going on to the next (reversed)
	Parent and teacher	Sees takes through to the end, good attention span (reversed)
	Parent and teacher	The child stays with an activity (e.g., puzzle, construction, kit, reading) for a long time (reversed)
	Parent, teacher, and observer	Easily distracted, concentration wanders
Impulsivity	Parent and teacher	Can stop and think things out before acting (reversed)
	Parent and teacher	Shares readily with other children (reversed)
	Observer	Degree of negative mood (withdrawn, uncooperative, sulky, seeming upset, angry) to interview