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Keywords: Petri dish
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Journal Articles
The American Biology Teacher (2016) 78 (9): 772–773.
Published: 01 November 2016
... an awards system named the “Gold, Silver, and Bronze Petri Dish Awards in Microbiology.” The awards system was either offered or not to a group of students (N = 34 for both cohorts). Students who had the opportunity to receive an award obtained higher grades than those for whom the awards system...