Below are the measures included in the chosen metric and the respective item codes. It is crucial that item codes in the data matches those item codes exactly. Please refer to the respective publication.
Please check whether your uploaded data has been recognized correctly. You should see a table with some rows of all available items.
Data sent through the internet is at risk to become public. Please upload only the required amount of data (in other words, only the item responses). Data should not contain any personal information, allowing tracing of single responses to individuals.
These are the item parameters used in estimation:
Descriptive statistics for theta.
Distribution of the latent trait estimates.
Please check decimal and cell separators!
Download the data with latent trait estimates