社区黑料

鈥淔ive- and six-year-old children are inheritors of poverty鈥檚 curse and not its creators.鈥�
鈥揚resident Lyndon B. Johnson, May 1965

In his January 1964 State of the Union address, President Lyndon B. Johnson declared an鈥�unconditional war on poverty鈥� in response to new research on the effects of poverty in the U.S. He then placed Kennedy administration stalwart Sargent Shriver in the lead to assemble a panel of experts to develop a comprehensive child development program 鈥� and Head Start was born.

The program began as an eight-week demonstration project aimed at helping break the cycle of poverty. It provided preschool children from very low-income families throughout the U.S. with resources to meet their social, emotional, health, nutritional and educational needs. Baked into the program鈥檚 design was the insistence that it be culturally responsive to the communities it served, and that families and communities would be invested in its success. The program offered supports for healthy child development that included nutrition, medical and dental screenings, vaccinations and referrals to other social services. The poverty was acute: Some of the children coming into the program had never seen a book; between 9 and 17% of the families reported having no running water in their homes.

The program quickly grew to include full-time, full-year services offering a diverse set of program options with more than 36 million children participating over the years. Head Start currently serves more than 1 million children and their families in all 50 states, the District of Columbia, Puerto Rico and U.S. territories, as well as American Indian, Alaska Native, and migrant and seasonal communities.

Decades of research have shown short- and long-term successes for Head Start children; notably, fewer teen pregnancies, improved educational attainment and employment, and less criminal involvement. Until now though, no studies have tracked these effects into the second generation鈥攁 true test of whether poverty鈥檚 cycle was interrupted rather than just somewhat improved. Thanks to some deep, number-nerd detective work by economists Drs. Andrew Barr and Chloe Gibbs, the first large-scale intergenerational study of Head Start鈥檚 effects has been published in the Journal of Political Economy.

Although it seems that following up on a massive program like Head Start would be a policy no-brainer 鈥� who 诲辞别蝉苍鈥檛 want data on their program鈥檚 effectiveness, especially if it has been successful 鈥� getting information for the second-generation study was a daunting undertaking. Barr and Gibbs鈥� paper, 鈥淏reaking the Cycle? Intergenerational Effects of an Anti-Poverty Program in Early Education,鈥� took eight years and multiple rounds of improvements and revisions before its publication this year. Gibbs, an economist at Notre Dame who studies early childhood education, says that during that period 鈥渉e has had three children and I鈥檝e had two. So, the paper is older than our kids.鈥�

The statistical kismet that enabled the project goes a long way to explaining why such a longitudinal study is only now being done. The study required the passage of decades 鈥� as the early Head Start children grew to adulthood and their children did the same 鈥� and statistics that could be verified along that timeline. The first kids in Head Start were in the program in the late 1960s. Their records were housed in the National Archives and Records Administration (NARA), where Barr and Gibbs drilled down for data on the availability of the program during its early years.

The two economists鈥� concept was that this Head Start data could be linked to another massive data set: the National Longitudinal Survey of Youth-1979 Cohort (NLSY79), a project of the U.S. Bureau of Labor Statistics that followed the lives of more than 12,000 American young people aged 14-22 when first interviewed in 1979. The secret sauce that made the second-generation study possible was the NLSY79 Children and Young Adult cohort, a second longitudinal project that followed the biological children of women in the NLSY79. By matching the NARA data with the NLSY79, Barr and Gibbs were able to compare such measures as teen parenthood, education, employment, and income between the women who had Head Start available as children and those who didn鈥檛. They then could look at similar outcomes in the children of the Head Start mothers compared with the second generation from mothers who lacked access to the program.

The appendix for the study alone was 122 pages of supplemental figures and tables, and small-print notes on the figures and tables. If the thought of making sense of those three data sets in relation to each other 诲辞别蝉苍鈥檛 make you a little woozy, you may not have grasped the complexity 鈥� or you may be an economist.

鈥淲ell, I do like numbers,鈥� Barr, an economist at Texas A&M, says with a laugh. 聽鈥淚鈥檓 motivated by trying to figure out how to help people better and it鈥檚 important to use evidence and careful thinking to answer that question.鈥�

鈥淭here have been a handful of studies in Scandinavian countries where they鈥檝e set up data infrastructures that track individuals over decades, so they鈥檝e been able to link some of the intergenerational effects of early childhood programs. But in the U.S., the data infrastructure makes it difficult to look at these kinds of intergenerational questions.鈥�

One of the study鈥檚 findings that Barr initially found surprising was the degree to which the intergenerational effects held. It would be predictable that large effects on the first generation of Head Start kids might begin to diminish in their children鈥檚 generation, but that didn鈥檛 prove to be the case. The results held within the same statistical neighborhood as the first generation, pointing to an observable disruption in the conditions of poverty.

Although the authors are careful to note that small sample sizes and measurement issues 聽make precise numbers difficult to pinpoint, the study found decreases in teen parenthood in the second generation by roughly 8 percentage points and a reduction in criminal engagement by about 13 percentage points, with increases in high school graduation by 11 percentage points and college enrollment by 10 percentage points, corresponding to an estimated increase in wages through age 50 of between 6 and 11%.

Though many of the first Head Start generation now have grandchildren and some may have great grandchildren, the longitudinal data sets don鈥檛 exist to track results into the third and fourth generations. But just as a sailboat adjusting its direction by one degree can ultimately alter its destination by hundreds of miles, putting in early, effective course corrections for a generation of Head Start kids may prove to exponentially improve the lives of their heirs.

鈥淭he emphasis, the vision for the Head Start program was to do precisely what we document in this paper,鈥� Gibbs says. 鈥淏y breaking the cycle of poverty, the vision was to move the first generation substantially enough that their children were on better footing to have successful lives, to flourish.

鈥淚t鈥檚 so rare to be able to answer the question, 鈥楧id this program do the precise thing it was set up to do?鈥� But here, we鈥檙e able to say that the second generation has that better foundation to move through life with better outcomes.鈥�

The implication is not simply that the Head Start program of yore created lifelong changes for the participants and their offspring, but that resource-rich programs that provide what families and children in their earliest years need can have a lasting difference into subsequent generations. Poverty is a condition, not an immutable fact, and with proper resources, smart implementation and buckets of political will, its debilitating cycle can be broken.

This story originally published on Early Learning Nation and is now archived on 社区黑料. Learn more here.