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ERIC Number: EJ776868
Record Type: Journal
Publication Date: 2007-Oct
Pages: 25
Abstractor: Author
Reference Count: 38
ISSN: ISSN-0022-4308
A Mixed Methods Analysis of the Effects of an Integrative Geobiological Study of Petrified Wood in Introductory College Geology Classrooms
Clary, Renee M.; Wandersee, James H.
Journal of Research in Science Teaching, v44 n8 p1011-1035 Oct 2007
Mixed methods research conducted across three semesters in introductory college geology classes (n=187, 190, 138) attempted to ascertain whether integrated study of petrified wood could serve as a portal to improved student geobiological understanding of fossilization, geologic time, and evolution. The Petrified Wood Survey[TM] was administered as a preinstructional and postinstructional assessment in control and experimental classes; the experimental class received integrated petrified wood instruction. Paired t tests of differences in students' pre- and postinstructional scores for control and experimental groups revealed significance ([alpha]= 0.05, effect size = 0.79, confidence interval 0.56-1.01). The students with integrative study showed greater knowledge gains about petrified wood's abundance, properties, nature, location, and geologic time. However, understanding of fossilization geochemistry remained problematic for both groups. The Petrified Wood Survey[TM] is appended. (Contains 9 tables and 2 figures.)
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Publication Type: Journal Articles; Reports - Research; Tests/Questionnaires
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A