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Irby, Beverly J.; Tong, Fuhui; Lara-Alecio, Rafael; Tang, Shifang; Guerrero, Cindy; Wang, Zhuoying; Zhen, Fubiao – Science Insights Education Frontiers, 2021
In this empirical study we examined the effect of a literacy-infused science intervention on fifth grade economically challenged students' science achievement in the curriculum-based and standardized assessments. A total of 27 treatment students and 20 comparison students from two intermediate schools in a rural district in South Texas in the…
Descriptors: Rural Schools, Low Income Students, Science Achievement, Science Instruction
Lewis, J. C. – 1986
This study examined differences in predicting achievement by sex on the Iowa Tests of Basic Skills (ITBS) from the verbal, quantitative, and nonverbal scores on the Cognitive Abilities Test (CogAT). The sample (n=10,000) consisted of all students in Grades 2, 5, and 8 who completed both tests in fall 1984. Examinations of means and standard…
Descriptors: Academic Achievement, Elementary Education, Grade 2, Grade 5
Beal, Barry B. – 1987
In spring 1986 Anglo students received higher scores than Blacks or Hispanics on the Iowa Tests of Basic Skills (ITBS), on all subtests and at all grade levels in the Denver (Colorado) Public Schools. This study, by attempting to locate patterns of item response, seeks to identify items in the ITBS that suggest differential pupil achievement by…
Descriptors: Alphabetizing Skills, Basic Skills, Black Students, Elementary Secondary Education