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        | When should infant fix and follow |  | Definition 
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 | Definition 
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        | when does baby fix and follow past midline |  | Definition 
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        | when does baby lift head and shoulder off bed in prone |  | Definition 
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        | when does head lag disappear |  | Definition 
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        | by when does baby laugh out loud and squeal |  | Definition 
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        | by when does moro disappear |  | Definition 
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        | by when does baby bear weight on forearms when prone |  | Definition 
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        | by when does baby roll from prone to supine |  | Definition 
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        | by when does baby bear weight when held standing |  | Definition 
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        | by when does baby imitate social interaction |  | Definition 
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        | by when does baby transfer hand to hand |  | Definition 
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        | by when can sit with support |  | Definition 
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        | by when does baby roll both ways |  | Definition 
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        | when does baby turn DIRECTLY to sound or voice |  | Definition 
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 | Definition 
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        | by when does baby imitate speech |  | Definition 
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        | by when does baby bang 2 blocks together |  | Definition 
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        | by when does baby sit without support |  | Definition 
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        | by when does baby turn when name is called |  | Definition 
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        | by when does baby play peek a boo |  | Definition 
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        | by when does baby do non-specific mama/dada |  | Definition 
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        | by when does baby get stranger anxiety |  | Definition 
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        | by when does baby recognize common objects and people |  | Definition 
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        | by when does baby have pincer grasp |  | Definition 
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        | by when can baby drink from cup held by another person |  | Definition 
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        | by when does baby help with dressing |  | Definition 
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        | by when does baby have 1 more word besides mama/dada AND use mama/dada specifically? |  | Definition 
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        | by when does baby point for things |  | Definition 
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        | by when does baby follow 1 step commands |  | Definition 
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        | by when does baby point for things |  | Definition 
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        | by when does baby give and take a ball |  | Definition 
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        | by when does baby drink from cup |  | Definition 
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        | by when does baby scribble |  | Definition 
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        | by when does baby put cube in cup |  | Definition 
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        | by when does baby walk independently |  | Definition 
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        | by when does baby stoop/recover |  | Definition 
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        | by when does baby speak 3-6 words beyond mama/dada |  | Definition 
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        | by when can baby point to one baby part |  | Definition 
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        | by when can baby follow one step command WITHOUT GESTURE |  | Definition 
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        | by when does baby feed self with spoon |  | Definition 
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        | by when does baby stack 2 cube tower |  | Definition 
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        | by when can baby throw ball |  | Definition 
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        | by when can baby walk upstairs holding hand |  | Definition 
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        | by when can baby imitate household task |  | Definition 
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        | by when should baby have 10-20 word vocab |  | Definition 
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        | by when should baby point to show interest |  | Definition 
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        | by when should baby build 4 block tower |  | Definition 
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        | by when can baby drop raisin into bottle |  | Definition 
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        | by when can baby build 6 cube tower |  | Definition 
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        | by when can baby wash own hands |  | Definition 
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        | by when can baby take clothes off |  | Definition 
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        | by when can baby kick ball |  | Definition 
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        | by when can baby jump with 2 feet |  | Definition 
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        | by when does baby have >50 word vocab |  | Definition 
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        | Term 
 
        | by when does baby start using pronouns |  | Definition 
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        | by when is speech 1/2 intelligible to stranger |  | Definition 
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        | by when can kid do pretend play |  | Definition 
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        | by when can baby throw OVERHAND |  | Definition 
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        | by when can kid copy circle |  | Definition 
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        | by when can kid put on clothes |  | Definition 
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        | by when can baby stack 8 cubes |  | Definition 
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        | by when can kid ride trike |  | Definition 
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        | by when can kid stand on one foot |  | Definition 
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        | by when can kid go up stairs alternating feet |  | Definition 
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        | by when can kid imitate vertical line |  | Definition 
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        | by when should kid be able to name friend |  | Definition 
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        | by when should kid understand basic adjectives |  | Definition 
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        | by when should kid be speaking in 5-8 word sentences |  | Definition 
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        | by when should kid be using "what" and "who" |  | Definition 
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        | when does kid start doing imaginary play |  | Definition 
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        | by when can kid walk up and down stairs |  | Definition 
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        | by when can kid draw a simple person |  | Definition 
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        | by when can kid BALANCE on 1 foot for 4 seconds |  | Definition 
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        | by when should kid be able to dress and brush teeth without help |  | Definition 
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        | by when should kid be able to name 4 colors |  | Definition 
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        | by when should kid be 100% intelligible to stranger |  | Definition 
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        | by when should kid be drawing a person with 6 parts |  | Definition 
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        | by when can kid make a bowl of food |  | Definition 
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 | Definition 
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        | by when can kid play board games |  | Definition 
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        | by when can kid count 5 blocks |  | Definition 
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        | by when can kid name all primary colors |  | Definition 
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        | Term 
 
        | by when can kid define words |  | Definition 
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        | by when can kid do chores |  | Definition 
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        | by when should kid be using complex roles/stories in play |  | Definition 
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        | by when can kid tie shoes |  | Definition 
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        | by when can kid ride bike |  | Definition 
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        | by when should kid know left from right |  | Definition 
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        | by when should kid be able to write name |  | Definition 
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        | Term 
 
        | when can kid draw 4 body parts |  | Definition 
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        | Term 
 | Definition 
 
        | 4 y/o can COUNT to 4, recite 4 word sentence, know 4 colors, draw 4 part person, build a gate (4 = gate), and stranger can understand 4/4ths of speech |  | 
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        | Term 
 
        | when can kid walk backwards |  | Definition 
 
        | 5y. also age of school avoidance, so imagine kid avoiding school by walking backwards |  | 
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 | Definition 
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 | Definition 
 
        | 5y (4+one layer complexity) |  | 
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        | when can kid draw a triangle |  | Definition 
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        | when can kid draw diamond |  | Definition 
 
        | 7 y (lucky sevens,diamonds) |  | 
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        | until when is stuttering normal |  | Definition 
 
        | 3-4y; persistence beyond preschool age requires a workup |  | 
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