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But the t test also takes into account sample size. If the samples were larger with the same means and same standard deviations, the P value would be much ...

GraphPad FAQs

... t test results from Prism and InStat) doesn't match another program or book. The unpaired t test depends on the assumption that the two samples come from ...

GraphPad FAQs

Nov 17, 2020 ... You can perform multiple t tests in Prism, including nonparametric analyses and multiple paired t tests.

https://www.graphpad.com/series/

The multiple t test analysis is different than all the rest. In earlier versions of the software (Prism 6), the "Significant?" column would display a single ...

GraphPad FAQs

The unequal variance t test reports a confidence interval for the difference between two means that is usable even if the standard deviations differ.

GraphPad FAQs

With t tests and ANOVA models, it appears a little different, but it's actually the same process of testing the model residuals. With paired t tests, which are ...

GraphPad FAQs

... test. Two group comparison tests (t tests and nonparametric tests). Unpaired t test · Paired t test · Ratio t test · Mann-Whitney test · Kolmogorov-Smirnov test.

https://www.graphpad.com/guides/prism/latest/statistics/

Choose t tests from the list of column analyses. 3.On the first (Experimental Design) tab of t test dialog, make these choices: • ...

https://www.graphpad.com/guides/prism/latest/statistics/

It is not appropriate to perform several Mann-Whitney (or t) tests, comparing two groups at a time. Do the two groups follow data distributions with the same ...

https://www.graphpad.com/guides/prism/latest/statistics/

Comparisons from all variants (paired/unpaired, parametric/non-parametric) can be added automatically. Multiple t tests ... One sample t test and Wilcoxon test.

https://www.graphpad.com/guides/prism/latest/user-guide/