This study examined the level and impact of five types of parent involvement on elementary school children’s academic achievement by race/ethnicity, poverty, and parent educational attainment. The sample comprised 415 third through fifth graders who completed the Elementary School Success Profile. Hypotheses from Bourdieu’s theory of cultural capital were assessed with t tests, chi-square statistics, and hierarchical regressions. Consistent with the theory, parents with different demographic characteristics exhibited different types of involvement, and the types of involvement exhibited by parents from dominant groups had the strongest association with achievement. However, contrary to theoretical expectations, members of dominant and nondominant groups benefited similarly from certain types of involvement and differently from others. Implications for research and practice are discussed.
The taxonomic status of four strains from several mineral water sources in Taejon, Korea, was examined. The DNA base compositions of these strains ranged from 62 to 66 mol %. All of the strains contained sphingolipids and ubiquinone 10 as the main respiratory quinone. The cellular fatty acids of these strains included octadecenoic acid, hexadecanoic acid and 2-hydroxymyristic acid, without 3-hydroxy fatty acids. On the basis of morphological, physiological and chemotaxonomic characteristics, together with 16S rDNA sequence comparison and DNA-DNA reassociation data, three new species of the genus Sphingomonas are proposed for the strains isolated from natural mineral water: Sphingomonas aquatilis sp. nov. for strain JSS7T (= KCTC 2881T = KCCM 41067T), Sphingomonas koreensis sp. nov. for strains JSS26T (= KCTC 2882T = KCCM 41069T) and JSS28 (= KCTC 2883 = KCCM 41066) and Sphingomonas taejonensis sp. nov. for strain JSS54T (= KCTC 2884T = KCCM 41068T).
A taxonomic study was carried out on two strains that came from kimchi, a traditional Korean fermented-vegetable food. The DNA G+C content of these strains was 37 mol %. Both strains contained Lys-Ala-Ser in the cell walls. On the basis of morphological, physiological and chemotaxonomic characteristics, together with data from 16S rDNA sequence comparisons and DNA-DNA reassociation, it is proposed that these strains represent a novel species of the genus Weissella, Weissella koreensis sp. nov. The type strain is strain S-5623T (= KCTC 3621T KCCM 41516T = JCM 11263T).
Objective: Six-month follow-up outcomes from a controlled trial of a program designed to prevent aggressive behavior in childhood are described. Method: Data were collected from three sequential cohorts of third graders in two public elementary schools (N ¼443). The Year 1 cohort received a routine health curriculum. The Year 2 cohort received the Making Choices program. The Year 3 cohort received the Making Choices program plus enhancements to promote behavioral generalization. Results: Six months after the end of prevention services, children in the intervention cohorts demonstrated significantly lower aggressive behavior when compared to children in the comparison cohort. The effects of the two programs were not significantly different. Conclusion: Both interventions appear to produce positive behavioral effects at follow-up.
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