Minimum detectable effect size for main outcomes (accounting for sample
design and clustering)
given a power of 0.9 and 400 subjects, we are able to observe an effect size of 0.15.
This i.e. would translate into a change in the calculated parameter for a-insensitivity index from 0.30 to 0.35 points with a standard deviation of 0.45. The assumed values are selected based on Dorobiala and Melkonyan (2023).