The null hypothesis is the claim that there’s no effect in the population. If the sample provides enough evidence against the claim that there’s no effect in the population (p ≤ α), the… See more

The alternative hypothesis (Ha) is the other answer to your research question. It claims that there’s an effect in the population. Often, your alternative hypothesis is the same as yo… See more

Null and alternative hypotheses are similar in some ways: 1. They’re both answers to the research question. 2. They both make claims about the population. 3. They’re both evaluated b… See more