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The American Biology Teacher (2017) 79 (1): 68–70.
Published: 01 January 2017
...Niels Proctor; Leda Kobziar; Martha Monroe To encourage greater depths of both processing and retrieval by students during testing, the authors inserted one new, unfamiliar plant (i.e., a “ringer”) into the pool of samples assembled for each plant-identification quiz. Each ringer was chosen to be...