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Direct linkBetjemann, Rebecca S.; Keenan, Janice M.; Olson, Richard K.; DeFries, John C. – Scientific Studies of Reading, 2011
Does the choice of test for assessing reading comprehension influence the outcome of genetic analyses? A twin design compared two types of reading comprehension tests classified as primarily associated with word decoding (RC-D) or listening comprehension (RC-LC). For both types of tests, the overall genetic influence is high and nearly identical.…
Descriptors: Reading Comprehension, Listening Comprehension, Siblings, Genetics
Hansen, Jacqueline – 1979
A small-scale investigation of the school performance and progress of Mexican Americans in Colorado during the 1970's indicated that the overall achievement pattern was similar to one noted for Hispanics nationally and in the Southwest: a consistently low and regularly decreasing performance in standardized tests of math and reading after grade…
Descriptors: Academic Achievement, Achievement Gains, Bilingual Education, Comparative Analysis
