Medical research

Defining clinical vs. statistical significance

The practice of null hypothesis testing has traditionally been used to interpret the results of studies in a wide variety of scientific fields. Briefly, significance testing involves the calculation of an outcome statistic, ...

Alzheimer's disease & dementia

'Remarkable' Alzheimer's drug reduces cognitive decline, study shows

US pharmaceutical giant Eli Lilly on Wednesday announced its experimental Alzheimer's drug significantly slowed cognitive and functional decline, results hailed as "remarkable" by experts despite some patients experiencing ...

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