| Dimension | Definition | |
|---|---|---|
| Accuracy | The extent to which data is correct and reliable. (1, 2) | |
| Completeness | The extent to which data is not missing and in of sufficient breadth and depth for the task at hand. (1, 2) | |
| Timeliness | The extent to which the data is sufficiently up to data for the task at hand. (1, 2) | |
| Accessibility | The extent to which data is available, or easily and quickly retrievable. (1, 2) | |
| Consistency | Representation of data values remains the same in multiple data items in multiple locations. (1, 2) | |
| Errors | Omission | Occasionally, correctness included completeness, due to the fact that some researchers consider missing data to be incorrect (ie, errors of omission)/missing data. (3) |
| Commission | Discrepancy or inaccurate (3) | |
| Inaccurate/error | Error terms that were commonly used to describe accuracy and quality.(3) | |