An RCT of the Chicago Heights (CHECC) preschool program, published in Journal of Political Economy (December 2024), portrays results of its grade-school follow-up as positive despite finding no impact on the preregistered primary outcome – state test scores in English and math.
Development & Psychopathology (December 2022) published an RCT of a program that provides home visiting and doula visits to low-income women starting in pregnancy. Despite the positive portrayal of results in the study’s abstract, the study found no discernible impact on child outcomes and little impact on parent practices, at age 30 months.
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