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Cognitive development: One-year-old.

American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/toddler/Pages/Cognitive-Development-One-Year-Old.aspxOpens a new window[Accessed January 2017]

AAP.

Cognitive development: Two-year-old.

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American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/toddler/Pages/Cognitive-Development-Two-Year-Old.aspxOpens a new window[Accessed January 2017]

AAP.

Language development: 1 year olds.

American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/toddler/Pages/Language-Development-1-Year-Olds.aspxOpens a new window[Accessed January 2017]

AAP.

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Language development: 2 year olds.

American Academy of Pediatrics.https://www.healthychildren.org/English/ages-stages/toddler/Pages/Language-Development-2-Year-Olds.aspxOpens a new window[Accessed January 2017]

Nemours Foundation.

Toddler reading time.http://kidshealth.org/en/parents/reading-toddler.htmlOpens a new window[Accessed January 2017]

NIH.

father holding a curly little girl and smiling

Speech and language developmental milestones.

happy child with her teddy bear running outside

child sticking the tongue out

wooden blocks saying A, B, C

phone with BabyCenter app

Dana Sullivan Kilroy