S0040 · france_preschool_start_age_outcomes · registry identity
La Scolarisation Maternelle à Deux Ans
External resolution
Resolution status: ambiguous
Bears on
Canonical propositions this source was matched as evidence for.
How Hirsch uses it
Every occurrence, grouped by book and chapter, with the claim it was linked to support and (where the extraction regenerated one) the underlying warrant.
1996 · The Schools We Need
Longitudinal studies in France showing the benefits of early education and maternal schooling for immigrant children.
direct Early-intervention programs in other countries lead to permanent academic improvement because they use knowledge-based curricula.
Warrant (implicit): When two different national educational interventions vary primarily in their curricular focus (process versus content), the success of the content-based program can be attributed to the curriculum itself rather than to differences in national culture or socio-economic safety nets.
could fail ifThe French success may be driven by the high level of professional training and centralized selection of teachers rather than the specific knowledge-based curriculum used.
Evidence from French longitudinal studies showing early-intervention programs with structured curricula yield permanent academic improvement.
direct Early-intervention programs in other countries lead to permanent academic improvement because they use knowledge-based curricula.
Warrant (implicit): If two countries implement early intervention programs and only the one with a content-rich curriculum yields lasting gains, the curriculum type is the decisive factor in that success.
could fail ifCross-national differences in teacher training, social safety nets, or cultural attitudes toward schooling act as confounders that could explain the variation in outcomes.
Longitudinal study of 4,000 French children regarding the effects of starting school at age two.
direct Children who attend academic preschools at a younger age are more academically effective and better adjusted than those who do not.
Warrant (implicit): A large-scale longitudinal study showing positive academic and psychological outcomes in one national context provides a reliable basis for predicting similar outcomes in other contexts.
could fail ifCultural or systemic differences between France and the US, such as teacher training quality or social safety nets, which may be the true drivers of the observed benefits.
Attendance rates in French preschools: 80% of 3-year-olds, 95% of 4-year-olds, and 99% of 5-year-olds.
related Educational philosophy is the critical difference between the results of French preschools and American Head Start programs.
2006 · The Knowledge Deficit
Large-scale French studies of tens of thousands of students tracking the effects of starting preschool at ages 2, 3, or 4 on later reading achievement.
direct In France, the earlier a child starts school, the greater the positive effect on their later reading achievement.
Warrant (implicit): Extended duration of exposure to a structured school environment during critical developmental windows directly causes long-term academic gains.
could fail ifChildren who start school earlier may come from families that are more stable or more committed to education, confounding the effect of the schooling itself.
Data showing that disadvantaged French pupils who start school at age two instead of age four gain over one-half of a standard deviation in reading by the end of fifth grade.
direct In France, starting preschool at age two rather than age four results in a reading achievement benefit for disadvantaged students of more than one-half of a standard deviation by the end of fifth grade.
Warrant (implicit): Early interventions in a coherent educational system have a compounding effect that sustains and widens benefits for disadvantaged students over many years.
could fail ifThe 'fade-out' effect commonly seen in early childhood programs might be avoided in France only because of the specific national curriculum that follows preschool, making the result non-generalizable.
2016 · Why Knowledge Matters
Longitudinal research of 2,000 French children from early years to age ten, comparing outcomes based on preschool start ages (two, three, or four).
direct Starting preschool as early as age two provides significant equity benefits for children from lower-income families.
Warrant (implicit): Longitudinal correlations between the age of school entry and later academic performance in a specific national context serve as evidence of the causal impact of early schooling on academic achievement.
could fail ifSelection bias, where parents who choose to enroll children at age two are more motivated or have different home environments than those who wait until age four, may account for the difference in outcomes.
A longitudinal study of 2,000 children tracing them from preschool to age 10, showing that early starts (age 2) significantly closed or reversed achievement gaps in a knowledge-based system.
direct Starting preschool at age two can enable a disadvantaged child to catch up with highly advantaged children by age ten if followed by a knowledge-based primary school.
Warrant (implicit): When a disadvantaged child outperforms a more advantaged child following an earlier start in a specific educational system, the early start is the primary factor overriding the child's socioeconomic background.
could fail ifThe 'middle-class' or 'advantaged' comparison groups might have experienced unobserved changes in their own educational quality or home environments during the same period, confounding the comparison.
Endnote numbers seen
Raw book:chapter:endnote references collected during endnote backfill.
swn:1:4swn:4:12wkm:3:23wkm:3:5
Raw source_reference strings seen
As they appeared before normalization/consolidation into this source identity.
Jarousee, Mingat, and Richard, 'La Scolarisation maternelle à deux ans'Jarousee, Mingat, and Richard, 'La Scolarisation maternelle à deux ans' (1992)Jarousee, Mingat, and Richard, 'La Scolarisation maternelle à deux ans,' 55Jarousee, Mingat, and Richard, 1992Jarousse, Mingat, and Richard, 'La Scolarisation Maternelle à Deux Ans' (1992)Unattributed French researchers