These plausible values are calculated by the complex item-response theory (IRT) model (see Baker 2001; Von Davier and Sinharay 2013) based on the assumption that each student only answers a random subset of que
These questions can be used as exam- ples of measuring direct ageist attitudes of employers. We calculated the prevalence of ageism per measure for each country and the mean of each indicator. The choice for a cut-off point indicating when a relatively large proportion of people could be ...