Research and statistical analysis help us understand how the world works, how effective medications and treatments are, what influences our health, the best approach for business practices, and much ...
If the P value is less than 5%, reject the null hypothesis; if the P value is .05 or more, don't reject the null hypothesis. Statistics textbooks -- and statisticians for that matter -- focus almost ...
An excellent post by my colleague John Nielsen-Gammon, the Texas State climatologist, can be found here. An excerpt: … consider a pot of water. Somebody you don’t know claims that they have invented a ...
Objection: Natural variability is the null hypothesis; there must be compelling evidence of an anthropogenic CO2 warming effect before we take it seriously. Answer: The null hypothesis is a ...
The Comments and Controversies article by Fisher and Anderson entitled, “The Breast Cancer Alternative Hypothesis: Is There Evidence to Justify Replacing It?” (J Clin Oncol 10.1200/JCO.2009.26.8292), ...
New research published today in Alzheimer's & Dementia: The Journal of the Alzheimer's Association could explain why neurons fail to communicate effectively in people with Alzheimer's disease (AD).
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