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Reyes, Jessica Wolpaw – Harvard Educational Review, 2015
In this article, Jessica Wolpaw Reyes investigates the link between lead exposure and student achievement in Massachusetts. Childhood exposure to even low levels of lead can adversely affect neurodevelopment, behavior, and cognitive performance. Using a panel dataset of cohorts of children born in the 1990s who were third and fourth graders in the…
Descriptors: Poisoning, Early Experience, Investigations, Academic Achievement
Reyes, Jessica Wolpaw – National Bureau of Economic Research, 2012
Childhood exposure to even low levels of lead can adversely affect neurodevelopment, behavior, and cognitive performance. This paper investigates the link between lead exposure and student achievement in Massachusetts. Panel data analysis is conducted at the school-cohort level for children born between 1991 and 2000 and attending 3rd and 4th…
Descriptors: Low Income Groups, Standardized Tests, Academic Achievement, Public Health
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Peters, Ray DeV.; Bradshaw, Alison J.; Petrunka, Kelly; Nelson, Geoffrey; Herry, Yves; Craig, Wendy M.; Arnold, Robert; Parker, Kevin C. H.; Khan, Shahriar R.; Hoch, Jeffrey S.; Pancer, S. Mark; Loomis, Colleen; Belanger, Jean-Marc; Evers, Susan; Maltais, Claire; Thompson, Katherine; Rossiter, Melissa D. – Monographs of the Society for Research in Child Development, 2010
Although comprehensive and ecological approaches to early childhood prevention are commonly advocated, there are few examples of long-term follow-up of such programs. In this monograph, we investigate the medium- and long-term effects of an ecological, community-based prevention project for primary school children and families living in three…
Descriptors: Neighborhoods, Quasiexperimental Design, Prevention, Economically Disadvantaged
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Wagner, Barry T.; Jackson, Heather M. – Journal of Speech, Language, and Hearing Research, 2006
Purpose: This study examined the cognitive demands of 2 selection techniques in augmentative and alternative communication (AAC), direct selection, and visual linear scanning, by determining the memory retrieval abilities of typically developing children when presented with fixed communication displays. Method: One hundred twenty typical children…
Descriptors: Memory, Kindergarten, Augmentative and Alternative Communication, Models
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English, Lyn D.; Watters, James J. – Mathematics Education Research Journal, 2005
In this article we explore young children's development of mathematical knowledge and reasoning processes as they worked two modelling problems (the "Butter Beans Problem" and the "Airplane Problem"). The problems involve authentic situations that need to be interpreted and described in mathematical ways. Both problems include tables of data,…
Descriptors: Young Children, Thinking Skills, Grade 3, Mathematical Models