Age subgroup: 3
A. Physical Development Norms
1. Children develop slight involvement of upper body mobility, and their catching and throwing abilities improve in speed and accuracy. However, they still catch a ball against their chest. 1
2. Children can also use a twisting motion with their hands, which helps them to open door knobs or twisting lids off containers. 2
3. They can use larger instruments so they easily use fat crayons for drawing. They can draw first tadpole image of a person. 1
4. While running, the knee of the child’s recovery leg swing forward and backward rather than outward, around, and forward. 3
B. Cognitive Development Norms
1. Most children of this age begin to develop focusing skills, recognize previously encountered information, recall old information, and reconstruct it in the present. 2
2. Children refine their ability to pronounce words. They often make up words they don’t know and need. They start to expand their ability to use different forms of words. Their ability to produce language also flourish and at the age of 3 their spoken vocabularies consist of roughly 900 words. 1,2
3. Children around this age start to recognize that there are often multiple ways to solve a problem and can brainstorm different solutions. They also realize that they use their brains to think. 3
4. According to Paiget’s Theory, children are in preoperational stage during age 2 to 7. During the age of 2 to 4, children develop symbolic function. They master the ability to picture, remember, understand, and replicate objects in their minds that not immediately in front of them. 1
C. Social and Emotional Development Norms
1. For young children at this stage, friendship is still a very concrete, basic relationship. At this stage of social development, friendship usually means sharing toys and playing together. It is different than the friendship between adults. 1
2. Children become better at sharing and starts to play cooperatively