The Conversation

Give p a chance: significance testing is misunderstood

Michael Lew has received funding from the NHMRC. Yesterday’s article by Geoff Cumming, based on a very recent Proceedings of the National Academy of Science paper, argued that “null hypothesis ...
EurekAlert!

Time to abandon null hypothesis significance testing? Moving beyond the default approach to statistical analysis and reporting

Researchers from Northwestern University, University of Pennsylvania, and University of Colorado published a new Journal of Marketing study that proposes abandoning null hypothesis significance ...
Kellogg School of Management

Hypothesis Testing

At times we wish to examine statistical evidence, and determine whether it supports or contradicts a claim that has been made (or that we might wish to make) concerning the entire population. This is ...
Yahoo

Absence of evidence is not evidence of absence – and that affects what scientific journals choose to publish

Add Yahoo as a preferred source to see more of our stories on Google. Careful planning and analysis are part of trying to reduce the chance of a false-positive finding. Arnon Mungyodklang/iStock via ...
University of Sheffield

Introduction to Hypothesis tests

Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics. It is most often used by researchers to test predictions, called hypotheses. The first step in ...