credibility | R Documentation |

Function to construct a credibility interval around a mean effect size.

```
credibility(mean, sd, k = NULL, cred_level = 0.8, cred_method = c("t", "norm"))
```

`mean` |
Mean effect size. |

`sd` |
Residual/true standard deviation of effect sizes, after accounting for variance from artifacts. |

`k` |
Number of studies in the meta-analysis. |

`cred_level` |
Credibility level that defines the width of the credibility interval (default = .80). |

`cred_method` |
Distribution to be used to compute the width of credibility intervals. Available options are "t" for |

`CR=mean_{es}\pm quantile\times SD_{es}`

A matrix of credibility intervals of the specified width.

```
credibility(mean = .3, sd = .15, cred_level = .8, cred_method = "norm")
credibility(mean = .3, sd = .15, cred_level = .8, k = 10)
credibility(mean = c(.3, .5), sd = c(.15, .2), cred_level = .8, k = 10)
```

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