Parenting Research

Development & Milestones

Every parent wonders whether their child is on track. Clare explains what the research says about motor, cognitive, and social-emotional development across every age.

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Cognitive DevelopmentMotor DevelopmentMilestones OverviewToddler MilestonesActivity And PlaySchool Age Development

29 answers

Why does my 8-year-old forget to apply math strategies we practiced yesterday but remember them today? → Why does my 3-year-old throw a ball underhand but can't throw overhand like his preschool classmates? → Why does my 6-year-old still struggle to hop on one foot or skip like other kids in her class? → Why does my 6-year-old reverse letters and numbers when writing but read them correctly? → Why does my 5-year-old still stumble when walking backwards or on uneven surfaces? → Why does my 2-year-old point at objects but not say the word for them yet? → Why is my 4-year-old still not interested in learning to read when he knows all his letters? → My 2.5-year-old won't jump with both feet off the ground, is this normal? → imaginary friends in preschool age children normal development → infant finger sucking and tooth development concerns → Why does my 3-year-old know all their letters but still can't count to 10? → lining up toys repetitive behavior toddlers age 2 → Why does my 5-year-old struggle to remember two-step instructions but understand complex stories? → Why does my 2-year-old understand everything but refuses to talk clearly? → How can I tell if my 4-year-old's vocabulary development is behind compared to peers? → Why isn't my 18-month-old saying more than five words? → Why does my 18-month-old refuse to play with toys but only wants to play with household items? → Why isn't my 18-month-old walking yet when other toddlers his age are running? → Why does my 7-year-old refuse to read chapter books despite reading sight words fluently? → Why does my 3-year-old ask why about everything and how long does this phase last? → developmental milestones and growth expectations from birth through 6 months of age → 5 month baby milestones → baby milestones by months → 8 week old baby milestones → 4 month old baby milestones → 5 week old baby milestones → 2 month baby milestones → My 18 month old only has 3 words — should I be worried? → Symptoms of teething baby →