What is the Bayes factor?
Date: 
24-01-2019

The Bayes factor (B) compares the probability of an experimental theory to the probability of the null hypothesis.
It gives the means of adjusting your odds in a continuous way.

  • If B is greater than 1, your data support the experimental hypothesis over the null
  • If B is less than 1, your data support the null over the experimental hypothesis
  • If B is about 1, then your experiment was not sensitive

For more information, look at the (free) summary of 'Bayes and the probability of hypotheses' or 'Bayesian versus orthodox statistics: which side are you one?'

WorldSupporter Resources: 
Bayes and the probability of hypotheses - summary of Chapter 4 of Understanding Psychology as a science by Dienes
Bayesian Versus orthodox statistics: which side are you on? - summary of an article by Dienes, 2011
WSRt, critical thinking - a summary of all articles needed in the fourth block of second year psychology at the uva
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WorldSupporter Resources

Bayes and the probability of hypotheses - summary of Chapter 4 of Understanding Psychology as a science by Dienes

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Critical thinking
Chapter 4 of Understanding Psychology as a science by Dienes
Bayes and the probability of hypotheses

Objective probability: a long-run relative frequency.
Classic (Neyman-Pearson) statistics can tell you the long-run relative frequency of different types of errors.

WSRt, critical thinking - a summary of all articles needed in the fourth block of second year psychology at the uva

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This is a summary of the articles and reading materials that are needed for the fourth block in the course WSR-t. This course is given to second year psychology students at the Uva. The course is about thinking critically about how scientific research is done and how this

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