# Question Set Analytics

This table shows the available metrics if Question Set Analytics are available.

Variable | Description |
---|---|

## Cronbach Alpha | Cronbach Alpha is a measure of internal consistency of the test, calculated with the formula: |

## Number of none attempts | The number of students who did not attempt any of the questions in the question set (i.e. no answer registered for any of the questions) |

## Average total score | The mean score of the total scores achieved by all students who took the test |

## Average total score normalized | The mean score of the total scores achieved by all students who took the test, divided by the max score |

## Average time spent seconds | The average time that was spent on completing the test, in seconds |

## Maximum achievable total score | The highest score that can theoretically be achieved on the test (sum of all max scores for all questions included in the test) |

## Highest total score achieved | The highest score that was achieved on the test in the context of the assessmentrun |

## Lowest total score achieved | The lowest score that was achieved on the test in the context of the assessmentrun |

## Number of questions | The total number of questions that were included in the test |

## Number of test takers | The total number of students who took the test |

## Number of withdrawals | The total number of students who withdrew from the test |

## Percentage not reached | The percentage of students that did not complete the entire test |

## Total score 1st quartile | The value of the total test score associated with the 1st quartile |

## Total score median | The value of the total test score associated with the median |

## Total score 3rd quartile | The value of the total test score associated with the 3rd quartile |

## Standard deviation of the total score | The standard deviation of the total score achieved by all students who took the test |