“…Factors that influence it are diverse and also under-researched so far [38,39], as are psychological factors that affect the transformational potential of attitudes and readiness to harmonize own attitudes with those of others [40,37]. Therefore, there have been quite some calls to investigate of individual, psychological factors stimulating or hindering deliberation, not only cognitive ones, but also personality [37], affective [41,42], and motivational factors [43], and also interpersonal and group dynamics in deliberative processes [20,32,44]. Black et al [39], giving the most exhaustive review of the existing methods of measuring various aspects of deliberative processes, expect "that future studies will refine considerably the measures", especially regarding the psychological factors influencing quality of deliberation and outcomes of deliberative processes [39; p.4].…”