https://phys.org/news/2018-07-uncovers-early-childhood-teenage-outcomes.html

"Although we did not find large impacts on all of the outcomes assessed, the positive results for executive function and academic achievement were certainly encouraging," said lead author and Research Assistant Professor, Tyler Watts. "We think these results suggest that high-quality programs can produce important effects on key long-term outcomes."

The Chicago School Readiness Project was launched in 2004 and conducted by NYU's Deputy Provost C. Cybele Raver. To evaluate the success of the program, Raver implemented a randomized control trial, and 602 children enrolled in inner-city Head Start classes participated in the study. Initial results found that the program boosted children's early school readiness, but these positive effects slipped away when children entered elementary school. Despite seeing early signs of "fadeout," Watts and Raver decided to conduct further follow-up to see if effects might be detected during adolescence, a developmentally critical period.