One of the most outstanding psychosocial accomplishments between ages 2 and 6 is:

One of the exceptional psychosocial undertakings among ages 2 and 6 is emotional regulation. In addition, emotional regulation of emotion is the capability to react to the continuing loads of involvement with the variety of emotions in a way that is communally tolerable and adequately supple to permit impulsive responses as well as the capability to delay impulsive responses as needed.