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This study examined the play behaviour in one group of coatis (Nasua narica) at La Selva Biological Station in Costa Rica. We incidentally found adult males playing with juvenile coatis, and conducted post-hoc analyses to investigate this interaction. Coati groups consist of adult females and juveniles of both sexes until male juveniles reach two years of(More)
In order to improve student learning, instructors should identify concepts that are difficult for students to understand. Instructors can then change course material or teaching methods to focus on these difficult concepts. Researchers can develop assessment tools based on common student misconceptions to measure the effects of pedagogical changes. This(More)
ii Put cert. of committee approval here iii ABSTRACT Many engineering and computer science instructors desire to improve their teaching, to meet ABET accreditation requirements, and to address the need for quantitative evaluation of pedagogy. In order to meet these goals, instructors require effective, concise assessment tools such as concept inventories.(More)
The objective of this work was to synthesize and characterize a novel series of biodegradable cyclic carbonate polyester copolymers based on lactide and 5-methyl-5-benzyloxy-carbonyl-1,3-dioxan-2-one (MBC). Two compositions were selected for characterization. One copolymer was based on a racemic mixture of 1-lactide with 15.4 mole % MBC and the other was(More)
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