Q DATA By N., Pam M.S. - April 28, 2013 Information on a subject's personality traits gathered from answers to questionnaires. It is also called S data as in when the questionnaires are self-reported. Q DATA: "Q data is personality data gleaned from questionnaires." Related Psychology Terms BIOGRAPHICAL DATA BIOGRAPHICAL DATA L DATA BEHAVIORAL CRITERION PSYCHOLOGICAL ASSESSMENT VIVID DATA PERSONNEL DATA CATEGORICAL DATA SURFACE TRAITS SOURCE TRAITS Cite this page: N., Pam M.S., "Q DATA," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/q-data/ (accessed November 13, 2019).