Why do we need alternative hypothesis? - Cross Validated
Jan 13, 2019 · There was, historically, disagreement about whether an alternative hypothesis was necessary. Let me explain this point of disagreement by considering the opinions of Fisher and …
Does rejecting null hypothesis mean accepting the alternative ...
Jul 22, 2025 · What extreme means is guided by the alternative hypothesis. If the alternative hypothesis is that the biased coins favour heads, then seeing a lot of tails is not extreme. If you are using a …
hypothesis testing - Does p-value ever depend on the alternative ...
Feb 2, 2020 · 16 The alternative hypothesis affects the test through the evidentiary ordering The p-value of a classical hypothesis test depends on the alternative hypothesis only through the evidentiary …
Null vs Alternative hypothesis in practice - Cross Validated
Jun 7, 2023 · I have always perceived the proposal of the null v. alternative as a teachable example of how to think of a study or experiment rather than a necessity (once you have an understanding of …
Why can't we accept the null hypothesis, but we can accept the ...
Sep 1, 2022 · Why do we need alternative hypothesis? Is it possible to accept the alternative hypothesis? Also check out the questions about two one-sided tests (TOST) which is about …
Accepting the alternative hypothesis when it is not the complement of ...
Apr 25, 2024 · Hypothesis testing is poorly named and isn't a great tool for deciding which of two arbitrary hypotheses to believe / act on. If you want to compare two hypotheses with another and …
Should the alternative hypothesis always be the research hypothesis ...
Apr 16, 2023 · The principle of statistical hypothesis tests, by definition, treats the null hypothesis H0 and the alternative H1 asymmetrically. This always needs to be taken into account.
How to choose the null and alternative hypothesis?
The alternative hypothesis is what you offer to the world to replace the null hypothesis. It is one thing to go do experiments to poke at holes in other's models, but that doesn't promote science nearly as well …
Why not just testing alternative hypothesis? Why do we need null ...
Feb 12, 2022 · 1 Why not just testing alternative hypothesis? Why do we need null hypothesis? For example, I am testing the effectiveness of a new drug. I can choose two groups: control and …
r - Which "alternative" option should I choose for a Wilcoxon rank sum ...
Apr 30, 2022 · alternative="greater") Wilcoxon signed rank exact test data: x and y V = 40, p-value = 0.01953 alternative hypothesis: true location shift is greater than 0 > Note that for a one tailed test, …