The Columbus test marks a projektives test procedure from the range of the child and youth psychiatry. Here that pro gangs of 24 pictures are shown, to which questions are then placed. The test serves for the assistance in the analysis and investigation of development processes with children at the age of 5 to 18 years.
The first version of the test developed 1969. Since that time it was revised several times and refined. Similar projektive procedures are the Wartegg test, the Schweinchen black foot test and the ACT (Themati Apperzeptionstest). and validity of the projektiven procedures are frequently insufficient. Nevertheless these "free" test procedures make possible interpret a view of unconscious thought processes careful.