The following information
is dedicated to persons, who want to reanalyse their test norm data by J. M.
Müller. We use this data only to do research about our invented formal test
description criteria. To assure good analysis, the data has to meet several
Description of your data
- Your test was developed to
measure a trait (or psychological dimension), e.g. intelligence,
depression, extraversion, etc.
- Your data contains a sum
score, as well as all answers of all persons to any item.
- Your data contains at least
- You have a description of
your person sample.
- You have an item-key; direction
of coding (mirrored or not), and the items are clearly assigned to
specific dimensions (or constructs).
- You are able to describe the
dimensions, and their interdependences.
Non excluding aspects are:
- Missing Data not more than
- Skewed raw score
- Data Type.
- Repeated Measurements.