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Yuefeng Sun – ProQuest LLC, 2023
The PISA assessment indicated that the United States performs at the bottom tier among OECD membership nations in secondary school math education. The dearth of math proficiency presented a significant problem for the United States to maintain its future leadership in global technology. The purpose of this exploratory multiple case study was to…
Descriptors: Foreign Countries, Secondary School Teachers, Mathematics Teachers, Achievement Tests
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Shepardson, Daniel P.; Choi, Soyoung; Niyogi, Dev; Charusombat, Umarporn – Environmental Education Research, 2011
This constructivist study investigates 225 student drawings and explanations from three different schools in the midwest in the US, to identify seventh grade students' mental models of the greenhouse effect. Five distinct mental models were derived from an inductive analysis of the content of the students' drawings and explanations: Model 1, a…
Descriptors: Constructivism (Learning), Heat, Grade 7, Climate