Can a null hypothesis be true in reality but rejected by a statistical test?

The first thing needed to know is that there are two Hypotheses called the Null Hypothesis (H0) and the Alternative Hypothesis (H1); they are mutually ... Nov 1, 2013 ... What is not widely appreciated, however, is that they are actually testing different null hypotheses. The null hypothesis tested by PERMANOVA is ... Nov 24, 2021 ... When looking for an effect or difference between groups, we do so in the context of the null hypothesis, which states that there is no ... Dec 19, 2012 ... If the null hypothesis is supported, nothing unusual is going on; the factor under investigation has no explanatory power; the drug being tested ... In particular, it allows empirical estimation of an appropriate null hypothesis. The empirical null may be considerably more dispersed than the usual ... The null hypothesis is known as “no-change” or “no-difference” hypothesis. Which means there is no statistical difference between two data sets. Originally created in collaboration with the Center for Biomedical Research Transparency, the online Null Hypothesis Collection highlights important and ... noun : a statistical hypothesis to be tested and accepted or rejected in favor of an alternative; specifically : the hypothesis that an observed difference Apr 22, 2022 ... In 2015, the editors of the journal Basic and Applied Social Psychology banned NHST and statistical significance based on the dichotomy of p < ... Aug 17, 2024 ... The null hypothesis is a mathematical theory stating that there is no statistical relationship or significance between any two sets of observed data or ...