Screen Time in 1999: AAP under-2 caution 뿯½ AAP under-2 caution

Evidence score 82/100 reflects published cohort, RCT, and meta-analytic work — gaps remain in cross-cultural replication. Age range 0–18 years marks peak relevance; principles may extend but intensity varies by developmental stage. Difficulty score 55/100 captures typical caregiver load — context, support, and temperament modify real experience.

Consensus score 50/100 — areas of agreement and live debate appear in the science section. Urgency 75/100 reflects time-sensitivity; some topics tolerate gradual change, others need early action. No — worldwide section covers Scandinavia, Africa, Asia, and Latin America alongside North American data.

Practice section offers concrete steps; myths section clears common misconceptions before deeper reading. Screen Time history tracks shifting expert authority — from religious manuals through behaviourism to attachment and neuroscience frames. Each era reinterpreted digital media limits and displacement effects through available science and cultural values about children, gender, and state responsibility.