It was a perfect example of how the null hypothesis works. Psychology, like other sciences, tends to move forward based on Baconian principles.

Importantly, rejecting the null hypothesis does not prove the alternative hypothesis; it only indicates that the data are unlikely if the null hypothesis were true. APPLIED EXAMPLE: Research Question: ...

In his popular series, Andrew Vickers, PhD, discusses the null hypothesis, using surgical infection rates to demonstrate a problem in interpretation.

In this scenario, your null hypothesis has shifted. Because you can see that heat is being input to the pot, your baseline assumption is that the water is becoming hotter, and you would require ...

The P-value is a random variable derived from the distribution of the test statistic used to analyze a data set and to test a null hypothesis. Under the null hypothesis, the P-value based on a ...

Null hypothesis significance testing (NHST) is the default approach to statistical analysis and reporting in marketing and, more broadly, in the biomedical and social sciences.

In the decades since its introduction, the neutral theory of evolution has become central to the study of evolution at the molecular level, in part because it provides a way to make strong ...

1. Of the many model for species-abundance distributions (SADs), the lognormal has been the most popular and as been put forward as an appropriate null model for testing against theoretical SADs. In ...