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Richard K. Olson 《Reading and writing》2007,20(1-2):1-11
This introduction to the special issue on Genes, Environment, and Reading presents an overview of the background for behavior-
and molecular-genetic research on dyslexia and individual differences across the normal range. The general methods, questions
addressed, and selected results are summarized for each of the papers in the order of their presentation in the special issue.
Concluding comments reflect on the influence of environmental range on estimates of genetic and environmental influences,
and the future of behavior- and molecular-genetic research on reading. 相似文献
13.
Students rarely ask questions related to course content in large-format introductory classes. The use of a Web-based forum devoted to student-generated questions was explored in a second-semester introductory biology course. Approximately 80% of the enrolled students asked at least one question about course content during each of three semesters during which this approach was implemented. About 95% of the students who posted questions reported reading the instructor's response to their questions. Although doing so did not contribute to their grade in the course, approximately 75% of the students reported reading questions posted by other students in the class. Approximately 60% of the students reported that the Web-based question-asking activity contributed to their learning of biology. 相似文献
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Franz Hilker Alan C. Purves Edmund King Fernand Hotyat Gordon Bishop Birger Bromsjö A. Harry Passow Willard C. Olson Gilbert de Landsheere Douglas M. McIntosh John I. Goodlad 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》1967,13(3):356-376
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The purpose of this study was to determine the differences between third and sixth grade female and male students when retelling orally a story read silently. The students' retelling of the story was analyzed by comparing how closely, both structurally and linguistically, they paralleled the T-units or communication units of the author. In general, female students performed significantly differently than did male students. The researchers examine these differences in light of recent research in the area of gender differences. 相似文献
18.
Genetic and Environmental Etiologies of the Longitudinal Relations Between Prereading Skills and Reading
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Micaela E. Christopher Jacqueline Hulslander Brian Byrne Stefan Samuelsson Janice M. Keenan Bruce Pennington John C. DeFries Sally J. Wadsworth Erik Willcutt Richard K. Olson 《Child development》2015,86(2):342-361
The present study explored the environmental and genetic etiologies of the longitudinal relations between prereading skills and reading and spelling. Twin pairs (n = 489) were assessed before kindergarten (M = 4.9 years), post‐first grade (M = 7.4 years), and post‐fourth grade (M = 10.4 years). Genetic influences on five prereading skills (print knowledge, rapid naming, phonological awareness, vocabulary, and verbal memory) were primarily responsible for relations with word reading and spelling. However, relations with post‐fourth‐grade reading comprehension were due to both genetic and shared environmental influences. Genetic and shared environmental influences that were common among the prereading variables covaried with reading and spelling, as did genetic influences unique to verbal memory (only post‐fourth‐grade comprehension), print knowledge, and rapid naming. 相似文献
19.
Lisa M. Olson 《Journal of Criminal Justice Education》2017,28(3):428-440
This paper examines sexual prejudice against gays and lesbians by college students. The sample consisted of 325 undergraduate students at a mid-sized Midwestern university. Respondents completed Herek’s Attitudes Toward Lesbians and Gay Men scale (short form) to determine levels of sexual prejudice. Comparisons were then made by respondent major to determine whether criminal justice students displayed higher levels of sexual prejudice than other students. Unlike prior research on criminal justice students and sexual prejudice, the criminal justice respondents in this study were not significantly more prejudiced against gays and lesbians. Male and female students scored similarly on their attitudes toward lesbian women, but male students were more likely to have higher levels of prejudice against gay men. Students who had gay friends and/or family members held significantly lower levels of prejudice against both gay men and lesbians than those who had no gay friends or family members. 相似文献
20.
Coventry WL Byrne B Olson RK Corley R Samuelsson S 《Journal of learning disabilities》2011,44(4):322-329
The genetic and environmental overlap between static and dynamic measures of preschool phonological awareness (PA) and their relation to preschool letter knowledge (LK) and kindergarten reading were examined using monozygotic and dizygotic twin children (maximum N = 1,988). The static tests were those typically used to assess a child's current level of PA such as blending and elision, and the dynamic test included instruction in phoneme identity to assess the child's ability to respond to this instruction. Both forms were influenced by genes and by shared and nonshared environment. The static and dynamic versions were influenced by the same genes, and part of the total genetic influence was shared with LK. They were subject to both overlapping and independent shared environment influences, with the component in common also affecting LK. Nonshared environment influences were mostly independent. Scores from dynamic assessment added only minimally to variance explained in kindergarten reading after LK and static assessment had been factored in. Although one of the genetic factors that influenced both forms of PA also affected kindergarten reading, it was only the one shared with LK. The authors conclude that dynamic assessment of PA in preschool offers little advantage over the more commonly used static forms, especially if LK scores are available, although they acknowledge its potential in cases of preschool educational disadvantage. 相似文献