For testing a research hypothesis, the burden of proof that a new product is no better than the original is placed on the new product, and the research hypothesis is formulated as the null hypothesis.

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The null hypothesis typically assumes no difference or effect, so it would state that the new product is no better than the original. The research hypothesis (alternative hypothesis) posits that there is a difference, suggesting the new product is better. The burden of proof is on showing the research hypothesis is true, not the null.

For Testing a Research Hypothesis, the Burden of Proof That