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Paccagnella, Marco – OECD Publishing, 2016
This paper presents a comprehensive analysis of the link between age and proficiency in information-processing skills, based on information drawn from the Survey of Adult Skills (PIAAC). The data reveal significant age-related differences in proficiencies, strongly suggesting that proficiency tends to "naturally" decline with age. Age…
Descriptors: Adult Literacy, Surveys, Adults, Age Differences
Chetty, Raj; Friedman, John N.; Hilger, Nathaniel; Saez, Emmanuel; Schanzenbach, Diane Whitmore; Yagan, Danny – National Bureau of Economic Research, 2010
In Project STAR, 11,571 students in Tennessee and their teachers were randomly assigned to different classrooms within their schools from kindergarten to third grade. This paper evaluates the long-term impacts of STAR using administrative records. We obtain five results. First, kindergarten test scores are highly correlated with outcomes such as…
Descriptors: Early Childhood Education, Small Classes, Program Effectiveness, Kindergarten