In a test of equivalence, a treatment mean and a reference mean are compared to each other. Equivalence is taken to be the alternative hypothesis, and the null hypothesis is nonequivalence. The model ...

A paleontologist returns to her lab from a summer dig and sets up a study comparing tooth length in two dinosaur species. She and her team work meticulously to avoid biasing their results. They remain ...

On May 3, General Education Development testing, more commonly known as the GED, will end in New Brunswick. The GED is an equivalency test for adults who did not complete high school. It will be ...

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(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Evangeline Rose, University of Maryland, Baltimore County; Kevin E. Omland, University ...