Abstract: A picture based psychological test, in particular a computer based implementation of the test and a system for automation of at least part of the test. The test may be used for the purpose of identifying a person's preferred way of interacting with other people. For example the test may be used to obtain knowledge of and describe relations within a family, a working team, a sports team, a study class, a political party, a religious community, etc, quickly, directly, and objectively. The test is non-verbal so that it is independent of the language used by the person whose relations and interactions are investigated.