P-sample is defined as a group of respondents who subsequently sort Q-samples; the sample of respondents should be selected in order to correspond with the research
issue. The aim is to have 4 to 5 persons defining each anticipated viewpoint (Van Exel, de Graaf, 2005). Then, the
number of statements to individual degrees of the scale is assigned. The main output of the Q-method is the
segmentation of respondents into the groups structured according to their responses