Potty training tips: An evidence-based guide for the thinking parent

Evidence-based potty training tips? There haven’t been many experimental studies of toilet training, but helpful research exists. Here you will find a collection of evidence-based articles, including: What research reveals about the timing of training Signs of toilet training readiness: Should you wait? How to prepare reluctant kids for toilet training The anthropology and biology … Continue reading

Math before words: What babies know about numbers

© 2008 – 2012 Gwen Dewar, all rights reserved What do babies know about numbers? Back in the 20th century, people assumed that infants lacked “number sense.” But today’s cognitive scientists have overturned the old ideas. Experimental research reveals a fascinating new world of baby cognition, one in which babies can recognize the approximate difference … Continue reading

The physiological causes of colic: How ailments and neurological differences can sometimes explain excessive, inconsolable crying

screaming infant

Colicky infants cry excessively and inconsolably. Why? There are many possible answers. Long ago, people assumed that colic was caused by abdominal pain. But the link was unproven, so many researchers have adopted definitions of colic that make no reference to causation. In fact, some have argued that colic isn’t about pain, or indeed any … Continue reading

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