TY - JOUR T1 - Estimating the critical and sensitive periods of investment in early childhood: A methodological note JO - HEDS Discussion Paper 12/04 UR - https://eprints.whiterose.ac.uk/id/eprint/74452 PY - 2012/03/01 AU - Popli G AU - Gladwell D AU - Tsuchiya A ED - Y2 - 2026/05/31 ER -