Critical remarks on an essay by K.T. Kalveram, "Factor analysis. Critical comments on a theoretical concept and its mathematical reformulation"

The following contribution is a critical discussion of a paper by K. T. Kalveram Uber Faktorenanalyse. Kritik eines theoretischen Konzepts und seine mathematische Neuformulierung", which was published in this journal in 1970. In the following it is shown that Kalveram's attempt of a mathematical reformulation must be considered a failure, even if mathematical misrepresentations are not taken into account.