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I guess it depends on your purpose. If you are doing the MDS for more heuristic purposes, then often two dimensions (or possibly three) will provide the greatest visual insight. Also, my sense from looking at your dimension by stress plot is that the greatest gains are attained when going from one to two dimensions, that the gain from two to three ...


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For these types of questions I really like Detection Theory: A User's Guide by Macmillan and Creelman. They consider 3 types of bias. The criterion location c is calculated relative to the zero-bias point and expressed in units of standard deviations, such that a c of 1 means the criterion is 1 standard deviation to the right of the zero-bias location and a ...



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