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Uses index finger to point, lead, and poke -
Stands with little support -
Climbs up and down the stairs -
Walks holding on to furniture -
Does not control body movements. -
4-month-old babies begin to grasp for grabbing things near the hands. -
Achieves sitting position by pushing up with arms -
Crawls; crawl up the stairs -
Stands alone -
Waves good-bye -
Is able to show distress, excitement, anger, and delight. -
Communicates with different sounds and facial expressions. -
Is more aware of social approval and disapproval. -
May show fear of heights; may be afraid to climb down a chair. -
May show fear of new sounds. -
Expresses delight, happiness, sadness, discomfort, and anger. -
May begin to show fearful behavior as separateness is felt. -
Likes attention and may cry to get it. -
4-month-old babies can put objects in their mouth. -
Can roll from tummy to back -
Likes to bounce when in a standing position -
Is able to stand while supported -
Likes to walk holding caregivers' hands -
May carry spoon to mouth in feeding attempt -
A 3-month-old can lift their head while lying on their tummy. -
Cries deliberately for assistance; also communicates with grunts and facial expressions -
Laughs out loud -
Smiles at self when looking in a mirror. -
Searches for hidden object. -
Finds objects that are totally hidden -
Smiles and coos when caregiver talks to him/her -
Explores toys by grasping, sucking, shaking, and banging. -
Responds appropriately to a few specific words -
Links specific acts or events to other events -
Puts nesting toys together correctly -
Studies objects intently, turning them to see all sides -
Enjoys looking through books with familiar pictures. -
Speaks first recognizable word. -
Likes to look at pictures in a book -
Likes to open containers and look at their contents -
Is comforted by a human face. -
Watches adults' facial expressions closely. -
May form an attachment to one special object. -
Becomes unresponsive if left alone most of waking hours. -
Shows increased pleasure in social interactions. -
Enjoys social aspects of feeding time. Social -
Distinguishes between familiar and unfamiliar adults. -
Enjoys playing with children. -
Has increased drive for independence but senses frightening situations. -
Enjoys playing with own image in mirror -
Fears strange places. -
Expresses anger more dramatically. -
Likes to play games like pat-a-cake. -
Shows interest in play activities of others. -
Likes to say no or shake their head to get a response from caregiver. -
Enjoys music and may mimic movements others make to music. -
Recognizes the difference between being good and being naughty. -
Is more aware of and sensitive to other children. -
Objects to having his or her enjoyable play stopped. -
Begins to develop self-identity and independence. -
Imitates movements of other adults and children. -
Shows increased negativism. May have tantrums. -
Enjoys playing with siblings. -
Likes to practice communication with adults.