https://digitalcommons.unf.edu/etd/1139/
"Divided Attention and its Effect on Forward Testing" by Nicholas H. Garcia
The testing effect is a well-studied and robust phenomenon. The forward testing effect is a relatively new phenomenon that has been observed in robust settings...
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https://www.fermag.com/articles/1060-short-report-combi-testing-leaps-forward/
SHORT REPORT: Combi Testing Leaps Forward - Foodservice Equipment Reports Magazine
May 7, 2021 - The old test method left something to be desired. The new one takes care of that.
short reportfoodservice equipmentcombitestingleaps