This paper examines the question as to whether the scientific claim to accuracy in psychological research practice can be fulfilled. The customary generic and restrictive measurement methods are elucidated in a critical manner. As a rule respectable reliability and objectivity values can easily be achieved with this procedure but this occurs for the most part at the expense of validity.
The purpose of this paper is to contribute to that approach to psychological research which is orientated toward the acquisition of information. The precondition for this is the consistent separation of description and evaluation. Only then it is possible to refer to the information value of the subject-matter and to carry out measurement which do not disregard the equivalency requirement. On the other hand, the data can be theoretically evaluated as to their significance without being encroached upon themselves.
Keywords: psychological science, accuracy in psychology
Short Title: Galliker, M. (1990) PsyBeit 3-4:225Dr. Mark Galliker
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