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Skalická, Vera; Belsky, Jay; Stenseng, Frode; Wichstrøm, Lars – Child Development, 2015
The hypothesis was tested that the new open-group Norwegian day-care centers would more than traditionally organized centers negatively affect (a) current and (b) future teacher-child relationships, and (c) the developmental legacy of preschool problem behavior. The focus was on eight hundred and fifty 4-year-olds from 153 centers who were…
Descriptors: Behavior Problems, Conflict, Child Care Centers, Hypothesis Testing
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Watts, Tyler W.; Duncan, Greg J.; Chen, Meichu; Claessens, Amy; Davis-Kean, Pamela E.; Duckworth, Kathryn; Engel, Mimi; Siegler, Robert; Susperreguy, Maria I. – Child Development, 2015
Despite research demonstrating a strong association between early and later mathematics achievement, few studies have investigated mediators of this association. Using longitudinal data (n = 1,362), this study tested the extent to which mathematics self-concepts, school placement, executive functioning, and proficiency in fractions and division…
Descriptors: Mathematics Achievement, Longitudinal Studies, Self Concept, Mathematics Skills
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McGlothlin, Heidi; Killen, Melanie – Child Development, 2006
Intergroup attitudes were assessed in European American 1st-grade (M=6.99 years, SD=0.32) and 4th-grade (M=10.01 years, SD=0.36) children (N=138) attending ethnically homogeneous schools to test hypotheses about racial biases and interracial friendships. An Ambiguous Situations Task and an Intergroup Contact Assessment were administered to all…
Descriptors: Intergroup Relations, Childhood Attitudes, Grade 1, Grade 4