The Genetics Concept Assessment: A New Concept Inventory for Gauging Student Understanding of Genetics
We have designed, developed, and validated a 25-question Genetics Concept Assessment (GCA) to test achievement of nine broad learning goals in majors and nonmajors undergraduate genetics courses. Written in everyday language with minimal jargon, the GCA is intended for use as a pre- and posttest to...
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| Veröffentlicht in: | CBE life sciences education 2008-01, Vol.7 (4), p.422-430 |
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| container_title | CBE life sciences education |
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| creator | Smith, Michelle K Wood, William B Knight, Jennifer K |
| description | We have designed, developed, and validated a 25-question Genetics Concept Assessment (GCA) to test achievement of nine broad learning goals in majors and nonmajors undergraduate genetics courses. Written in everyday language with minimal jargon, the GCA is intended for use as a pre- and posttest to measure student learning gains. The assessment was reviewed by genetics experts, validated by student interviews, and taken by more than 600 students at three institutions. Normalized learning gains on the GCA were positively correlated with averaged exam scores, suggesting that the GCA measures understanding of topics relevant to instructors. Statistical analysis of our results shows that differences in the item difficulty and item discrimination index values between different questions on pre- and posttests can be used to distinguish between concepts that are well or poorly learned during a course. (Contains 4 tables and 4 figures.) |
| doi_str_mv | 10.1187/cbe.08-08-0045 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 1931-7913 |
| ispartof | CBE life sciences education, 2008-01, Vol.7 (4), p.422-430 |
| issn | 1931-7913 1931-7913 |
| language | eng |
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| source | MEDLINE; PubMed Central; Alma/SFX Local Collection |
| subjects | College Science Colorado Comprehension Concept Formation Curriculum Difficulty Level Educational Measurement - methods Genetics Genetics - education Goals Learning Majors (Students) Nonmajors Pretests Posttests Reproducibility of Results Science Achievement Science Tests Scientific Concepts Statistical Analysis Student Evaluation Students Surveys and Questionnaires Test Items Undergraduate Students |
| title | The Genetics Concept Assessment: A New Concept Inventory for Gauging Student Understanding of Genetics |
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