What is it?
Early years or early childhood interventions aim to ensure that young children have educational pre-school or kindergarten experiences which prepare them for school and academic success. The research summarised here concentrates on the impact of ‘packages’ of early years provision (known as multi-component programs) rather than on individual early years interventions. Many of the researched programs and approaches focus on disadvantaged children. Some also offer parental support.
How effective is it?
Overall, the evidence suggests that early years and pre-school interventions have a positive impact, delivering an average of around five additional months' progress. The approach appears to be particularly beneficial for children from low income families.
Once early years provision is in place, improving the quality of provision, for example by training staff to improve the interaction between staff and children, appears to be more promising than increasing the quantity of provision (by providing extra hours in the day), or changing the physical environment of early years settings.
In most studies, the impact on achievement tends to reduce over time, although the time this takes varies by approach. This means that even interventions which are effective in narrowing the achievement gap between disadvantaged children and their peers will not be sufficient to prevent the gap opening up again in later years. Where an impact on attitudes to school has been found, it tends to be more lasting.
In an Australasian context, while the evidence base is not extensive, early childhood education programs have been found to improve children’s school readiness, especially among socially disadvantaged children. The Australasian evidence suggests that the quality of early years programs can affect a child’s early school outcomes but that the benefits obtained from such programs appear to fade, which is consistent with the findings of international research on the topic. More research is needed to determine how to sustain these benefits and how teacher collaboration can help a child transition smoothly from early years programs into school.
How secure is the evidence?
There are a number of systematic reviews and meta-analyses which have looked at the impact of early childhood intervention. Most of these are from the USA, however, where children tend to start school at a relatively late age.
What are the costs?
Understandably the costs are high, as adult/child ratios in pre-school provision tend to be higher than in school classes and family interventions have similar high costs. The average annual cost of providinga 15 hour per week kindergarten program delivered by a qualified early childhood teacher is estimated at approximately $4,700 per child. Overall, the costs are estimated as very high.
What should I consider?
High quality provision with well-qualified and well-trained staff is essential.
High quality provision is likely to be characterised by the development of positive relationships between staff and children and by engagement of the children in activities which support pre-reading, the development of early number concepts and non-verbal reasoning.
Extended attendance (one year or more) and an earlier starting age (three years old) are more likely to have an impact than shorter periods starting later, which deliver lower benefits on average.
Disadvantaged children benefit from high quality programs, especially where these include a mixture of children from different social backgrounds and a strong educational component.
