Hypothesis testing
| Type | No. of groups | Test | Function used |
| :------------- | :------------ | :---------------------------- | :----------------------- |
| Parametric | 2 | Student's or Welch's t-test | stats::t.test()
|
| Non-parametric | 2 | Mann-Whitney U test | stats::wilcox.test()
|
| Robust | 2 | Yuen's test for trimmed means | WRS2::yuen()
|
| Bayesian | 2 | Student's t-test | BayesFactor::ttestBF()
|
Effect size estimation
| Type | No. of groups | Effect size | CI available? | Function used |
| :------------- | :------------ | :------------------------------------------------------ | :------------ | :------------------------------------------------- |
| Parametric | 2 | Cohen's d, Hedge's g | Yes | effectsize::cohens_d()
, effectsize::hedges_g()
|
| Non-parametric | 2 | r (rank-biserial correlation) | Yes | effectsize::rank_biserial()
|
| Robust | 2 | Algina-Keselman-Penfield robust standardized difference | Yes | WRS2::akp.effect()
|
| Bayesian | 2 | difference | Yes | bayestestR::describe_posterior()
|
Hypothesis testing
| Type | No. of groups | Test | Function used |
| :------------- | :------------ | :------------------------------------------------- | :----------------------- |
| Parametric | 2 | Student's t-test | stats::t.test()
|
| Non-parametric | 2 | Wilcoxon signed-rank test | stats::wilcox.test()
|
| Robust | 2 | Yuen's test on trimmed means for dependent samples | WRS2::yuend()
|
| Bayesian | 2 | Student's t-test | BayesFactor::ttestBF()
|
Effect size estimation
| Type | No. of groups | Effect size | CI available? | Function used |
| :------------- | :------------ | :------------------------------------------------------ | :------------ | :------------------------------------------------- |
| Parametric | 2 | Cohen's d, Hedge's g | Yes | effectsize::cohens_d()
, effectsize::hedges_g()
|
| Non-parametric | 2 | r (rank-biserial correlation) | Yes | effectsize::rank_biserial()
|
| Robust | 2 | Algina-Keselman-Penfield robust standardized difference | Yes | WRS2::wmcpAKP()
|
| Bayesian | 2 | difference | Yes | bayestestR::describe_posterior()
|
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