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Seltzer, Mildred M. – 1985
There is a vast body of literature devoted to an examination of life-span development. Several authors have described the characteristics of the life-span approach and have distinguished it from more traditional forms of psychology. Emphasis has been placed on the multidirectional and multidimensional nature of development and change, as well as…
Descriptors: Age Differences, Aging (Individuals), Change, Developmental Psychology
Download full textStedman, Lawrence C. – National Assessment Governing Board, 2009
During the past 25 years, the country witnessed a dramatic transformation of the National Assessment of Educational Progress (NAEP). Actions by the Educational Testing Service (ETS), Congress, and the National Assessment Governing Board fundamentally changed NAEP's role in federal educational policy and the nation's schools. Developed in the 1960s…
Descriptors: National Competency Tests, Educational Testing, Educational Trends, Trend Analysis
Necessary, James R.; Parish, Thomas S. – 1994
The enhancement of the self-concepts of elementary school students through the "Let's Get Excited about Life" program and the recognition of such enhancement by their teachers were studied for 100 inner-city students in Atlanta (Georgia) in grades 1 through 5. All of these students, as well as their teachers, were African-Americans, and…
Descriptors: Age Differences, Black Students, Change, Elementary Education
Hoyle, Sally G. – 1983
Results are reported from two studies examining stability and change in children's friendships within the context of two theoretical perspectives: cognitive-developmental and ecological. A total of 112 first- and fourth-grade children participated in the first study; 114 fourth- and eighth-grade children participated in the second. In the fall and…
Descriptors: Age Differences, Change, Elementary Education, Elementary School Students
Peer reviewedSchaie, K. Warner – American Psychologist, 1994
Summarizes the conduct and results of the Seattle Longitudinal Study, an investigation that has assessed mental abilities in more than 5,000 adults and has followed some for as long as 35 years. Integrative findings are presented on age changes, cohort differences, factor structure, individual differences, and interventions. (SLD)
Descriptors: Ability, Adult Development, Age Differences, Change
