12/09/2019 – Version A.19.12
Version A.19.12 is the first version for the French Speaking Assessment. We conducted a calibration pilot to determine the item and ability parameters to create an assessment form and accompanying scoring algorithm to best predict French speaking ability.
- Used Rasch infit/outfit statistics to screen calibration data to the most informative items and response patterns
- Incorporated regression model to predict ability with a high-degree of reliability