Peer-reviewed research on the effect of daycare ratios and group size shows that at current ratios and group sizes approximately 50% of children in daycare centres will not receive “appropriate care-giving” or “developmentally appropriate activities.”
“Thresholds of Quality: Implications for the Social Development of Children in Centre-based Child” Child Development April 1992 – Howes, Phillips, Whitebrook (not available free online)
See the charts from this study on pages 47-48 of this article published by daycare lobby group CRRU (Childcare Resource and Research Unit) – “The Great Child Care Debate”:
kidsfirstcanada.org 