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Laughs out loud.
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Lifts head briefly from the surface in order to turn head from side to side when lying on tummy.
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Can turn head when lying on back.
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Is able to suck and look at the same time, thus doing two controlled actions at once.
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Is comforted by the human face.
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Looks at a person alertly and directly. Prefers to look at people over objects.
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Whimpers when hungry, chortles when content.
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Is able to show distress, excitement, contentment, anger, and delight.
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Shows increased pleasure in social interactions.
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Can maintain a sitting position for several minutes if given proper support.
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Explores toys by grasping, sucking, shaking, and banging.
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On tummy, may roll from side to side and front to back.
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Likes to repeat enjoyable acts like shaking a rattle.
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Shows increased pleasure in social interactions.
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Enjoys social aspects of feeding time.
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Laughs when tickled.
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Reaches for an object such as an activity gym with good coordination and aim.
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Responds to affection and may imitate signs of affection.
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Sits in a tripod position using arms for support.
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Smiles at self in mirror.
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Enjoys playing with children.
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Laughs when socializing.
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Varies volume, pitch, and rate while babbling.
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Likes attention and may cry to get it.
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Enjoys looking through books with familiar pictures.
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Likes to empty and fill containers.
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Thoroughly enjoys company of siblings.
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Enjoys playing with own image in a mirror.
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Expresses anger more dramatically.
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May anticipate being left and become disturbed.
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Sits alone steadily for longer periods of time.
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Creeps.
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Crawls; may try to crawl up stairs.
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May be able to move along furniture, touching it for support.
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Finds objects that are totally hidden.
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Likes to play games like pat-a-cake.
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Shows interest in play activities of others.
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May show a fear of new sounds.
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Responds appropriately to a few specific words.
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May show fear of heights; may be afraid to crawl down from chair.
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Likes to walk holding caregiver's hands.
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Climbs on chairs and other furniture.
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Puts nesting toys together.
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Likes to look at pictures in a book.
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Expressed delight, happiness, sadness, discomfort, and anger.
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Is more aware of and sensitive to other children.
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Cries less often.
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May be able to show symbolic thought by giving love to a stuffed toy or mimic behaviors of others.
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Stands alone.
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Waves good-bye.
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May not always want to be cooperative.
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Tests caregivers to determine limits.
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Imitates movements of other adults and children.
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Recognizes to difference between being good and being naughty.
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Speaks first recognizable word.
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May carry spoon to mouth in feeding attempt.
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Walks holding on to furniture.
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Begins to find familiar objects that are not in view but have permanent locations (looks for cookies after being told he or she can have one).
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Links specific acts or events to other events.
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Shows increased negativism. May have tantrums.
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Begins to develop self-identity and independence.
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Enjoys playing with siblings.
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Likes to practice communication with adults.
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Climbs up and down stairs.
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