“…Klemmensen et al, 2007;Kritzinger et al, 2004;Laver et al, 2006), but has also been the subject of vivid scientific discussion Laver, 2007, 2008;Pennings, 2007a, 2007b;Martin and Vanberg, 2008). Pennings (2007a, 2007b) recognize the usefulness of the method, but are particularly concerned about the pairwise comparison (estimating policy positions on the basis of previous texts and findings); they argue that the program flattens out party movement, as previous computerized approaches have done.…”