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Wheeler, Lindsay B.; Bell, Randy L.; Whitworth, Brooke A.; Maeng, Jennifer L. – International Journal of Science Education, 2015
This study utilized an explanatory sequential mixed methods approach to explore randomly assigned treatment and control participants' frequency of inquiry instruction in secondary science classrooms. Eleven treatment participants received professional development (PD) that emphasized a structured approach to inquiry instruction, while 10 control…
Descriptors: Mixed Methods Research, Control Groups, Experimental Groups, Comparative Analysis
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Trundle, Kathy Cabe; Bell, Randy L. – Computers & Education, 2010
This mixed-methods investigation compared the effectiveness of three instructional approaches in achieving desired conceptual change among early childhood preservice teachers (n = 157). Each of the three treatments employed inquiry-based instruction on moon phases using data collected from: (1) the planetarium software program, Starry Night[TM],…
Descriptors: Preschool Teachers, Preservice Teachers, Computer Simulation, Astronomy