Bowlby
1907–1990 · UKAttachment theory
Bowlby shaped discourse on autonomy and language through research and public writing.
Darker cells mean a higher score for this topic on that metric.
Evidence strength85
Daily impact88
Difficulty75
Age span30
Expert consensus70
Urgency78
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Last reviewed Sources & creditsMedia creditsMethodology
Quick answers
What defines toddler?
Walking, talking, and testing limits — framed by autonomy and language.
Is there strong evidence on toddler?
Evidence score 85/100 reflects published cohort, RCT, and meta-analytic work — gaps remain in cross-cultural replication.
Does toddler apply at every age?
Age range 1–3 years marks peak relevance; principles may extend but intensity varies by developmental stage.
How hard is toddler in practice?
Difficulty score 75/100 captures typical caregiver load — context, support, and temperament modify real experience.
What do experts agree on?
Consensus score 70/100 — areas of agreement and live debate appear in the science section.
How urgent is attention to toddler?
Urgency 78/100 reflects time-sensitivity; some topics tolerate gradual change, others need early action.
Toddler drew researchers from psychology, paediatrics, education, and anthropology.
Eight influential figures below span theory, clinical work, and global policy.
Eight guides worth knowing
Steinberg
b. 1952 · USAdolescent brain
Steinberg shaped discourse on autonomy and language through research and public writing.
Mark Hinkley
b. 1970s · AustraliaScreen time research
Mark Hinkley shaped discourse on autonomy and language through research and public writing.
Ainsworth
1913–1999 · USStrange Situation
Ainsworth shaped discourse on autonomy and language through research and public writing.
Faber & Mazlish
20th c. · USParent communication
Faber & Mazlish shaped discourse on autonomy and language through research and public writing.
John Gottman
b. 1942 · USEmotion coaching
John Gottman shaped discourse on autonomy and language through research and public writing.
Baumrind
1927–2018 · USParenting styles
Baumrind shaped discourse on autonomy and language through research and public writing.
Jane Nelsen
b. 1940 · USPositive Discipline
Jane Nelsen shaped discourse on autonomy and language through research and public writing.
Guides lab
Select up to three guides to compare side by side.
Bowlby
1907–1990 · UKAttachment theory
Bowlby shaped discourse on autonomy and language through research and public writing.
Steinberg
b. 1952 · USAdolescent brain
Steinberg shaped discourse on autonomy and language through research and public writing.
Mark Hinkley
b. 1970s · AustraliaScreen time research
Mark Hinkley shaped discourse on autonomy and language through research and public writing.
Ainsworth
1913–1999 · USStrange Situation
Ainsworth shaped discourse on autonomy and language through research and public writing.
Faber & Mazlish
20th c. · USParent communication
Faber & Mazlish shaped discourse on autonomy and language through research and public writing.
John Gottman
b. 1942 · USEmotion coaching
John Gottman shaped discourse on autonomy and language through research and public writing.
Baumrind
1927–2018 · USParenting styles
Baumrind shaped discourse on autonomy and language through research and public writing.
Jane Nelsen
b. 1940 · USPositive Discipline
Jane Nelsen shaped discourse on autonomy and language through research and public writing.
Pick guides above to compare.
Together they moved toddler from opinion columns toward evidence-informed frameworks still debated today.
Keep exploring
Nearby ages & themes
👶
Newborn
The first 28 days after birth — physiology, bonding, feeding rhythms, and the shift from womb to world.
Evidence 88 🍼Infant
From one month to twelve months — motor milestones, first foods, attachment deepening, and emerging sleep patterns.
Evidence 90 ✏️Preschool
Imaginative play, peer entry, and executive function growth define the preschool years before formal schooling.
Evidence 82 📚School Age
Industry, friendships, and academic skill-building mark middle childhood between toddler chaos and adolescent identity work.
Evidence 78 🧑🎓Teenager
Brain remodeling, identity formation, and increasing autonomy define adolescence — risk and capability both rise.
Evidence 80