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

To help you write your hypotheses, you can use the template sentences below. If you know which statistical test you’re going to use, you can use the test-specific template sentences. … See more

If you want to know more about statistics, methodology, or research bias, make sure to check out some of our other articles with explanations and examples. See more