How To State A Hypothesis In A Research Paper

This seemingly obvious aspect of research can be deceptively difficult to pin down, as researchers often have an unstated sense of what they want to achieve in a study (and excitement about doing so) that makes it challenging to clearly state a research question.

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Average recovery times for knee surgery patients is 8.2 weeks. The hypothesis is usually hidden in a word problem, and is sometimes a statement of what you expect to happen in the experiment.

The hypothesis in the above question is “I expect the average recovery period to be greater than 8.2 weeks.” (The null hypothesis): μ (the average) ≤ (is less than or equal to) 8.2 Sample Problem: A researcher is studying the effects of radical exercise program on knee surgery patients.

If you set out to prove an alternate hypothesis without considering it, you are likely setting yourself up for failure.

At a minimum, your experiment will likely not be taken seriously. Several scientists, including Copernicus, set out to disprove the null hypothesis.

(The alternate hypothesis): μ (the average) ≠ (is not equal to) 8.2 That’s How to State the Null Hypothesis! ------------------------------------------------------------------------------ Need help with a homework or test question?

With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. - Includes many concepts such as sample size, hypothesis tests, or logistic regression, explained by Stephanie Glen, founder of Statistics How To. Including both a null and an alternate hypothesis is one safeguard to ensure your research isn’t flawed.Not including the null hypothesis in your research is considered very bad practice by the scientific community.The null hypothesis is good for experimentation because it's simple to disprove.If you disprove a null hypothesis, that is evidence for a relationship between the variables you are examining.There is a good chance the therapy will improve recovery time, but there’s also the possibility it will make it worse.Average recovery times for knee surgery patients is 8.2 weeks.Developing testable research hypotheses takes skill, however, along with careful attention to how the proposed research method treats the development and testing of hypotheses.Before jumping into writing research hypotheses it is crucial to first consider the general research question posed in a study.Researchable implies that a question can be answered through empirical research (that is, something that science can address) and also limited enough that a study could actually hope to answer the question in a reasonable period of time.The requirement that the research question be interesting implies primarily that the question be important in the context of the ongoing scientific discussion of the topic (that is, interesting to other researchers).


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