Test of spelling ability of trainees in Mannheim and Ludwigshafen.

Topics: Feldhaus spelling test in version 79 with 80 test words to be
spelled correctly (multiple choice questions).

Demography: date of birth; sex; chamber of commerce district; school
last attended; school degree; state of school last attended; German
instruction in vocational school. Additionally the following indices
were added: total number of mistakes and type of mistakes