The null hypothesis is the prediction that there will be no difference in the dependent variable across different levels of the independent variable.
A hypothesis (plural: hypotheses), in a scientific context, is a testable assertion about the relationship between or more variables or a proposed reason for some determined phenomenon. A hypothesis is a declaration that introduces a study's question and proposes an expected result. It's far a critical part of the scientific method that forms the basis of clinical experiments.
A research hypothesis is a statement of expectation or prediction that will be tested by research. Before formulating your research hypothesis, read about the topic of interest to you.
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