This is a preview. Log in through your library . Abstract Purpose Measurement development in hard-to-reach populations can pose methodological challenges. Item response theory (IRT) is a useful ...
Back in the day, we learned in statistics that you need a sample size of at least 2% of the size of population to make statistically significant conclusions about the behavior of the population. In ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback