Young Students' Understanding of the Relationship between Inheritance and Variation of Traits Using Structural Equation Modeling

Autor/inn/en	Ibourk, Amal; Williams, Michelle; Opperman, Amanda; Cisterna, Dante; Nazar, Christina Restrepo; Xie, Yiyu
Titel	Young Students' Understanding of the Relationship between Inheritance and Variation of Traits Using Structural Equation Modeling
Quelle	In: Science Education, 102 (2018) 6, S.1201-1238 (38 Seiten)Infoseite zur Zeitschrift PDF als Volltext Verfügbarkeit
Zusatzinformation	ORCID (Ibourk, Amal)
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0036-8326
DOI	10.1002/sce.21470
Schlagwörter	Genetics; Science Education; Grade 5; Elementary School Students; Scientific Concepts; Concept Formation; Barriers; Comprehension; Heredity + Suchen Sie Ihr Suchwort? Humangenetik; Naturwissenschaftliche Bildung; School year 05; 5. Schuljahr; Schuljahr 05; Concept learning; Begriffsbildung; Verstehen; Verständnis; Erblichkeit
Abstract	Genetics has become increasingly important in everyday life, a fact that is reflected in state and national science education standards. This study examines the relationship between 474 fifth graders' understandings of the core ideas of "inheritance of traits" and "variation of traits". A confirmatory factor analysis, supplemented with qualitative analyses of students' responses, revealed a relationship between these concepts and contributed evidence about the nature of students' challenges in learning these ideas. While most students demonstrated some normative ideas, many struggled to explain "variation of traits" as resulting from equal inheritance of genetic information from two parents. Instead, they focused on generational patterns of visible traits or on the influence of nongenetic factors. Deepening understanding of young students' heredity-related thinking can improve preparation of older students for learning advanced genetics-related ideas. (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2020/1/01