The current research is aimed at scaling Psychasthenia scale of
Minnesota Multiphasic Personality Inventory 2 , access to a new
form and brief to the test, it,s liberal from the sample and items
properties, using one and pair parameter models, and
testing the
effect of two variables in the results of scaling Psychasthenia scale
(the model used, the sample size) with using criteria of accuracy as
the Standard Error, Relaibility and Information Function.
