Participants were then given psychological questionnaires designed to assess their empathy level and capacity for aggression. (techtimes.com)
To get a read on the volunteers» baseline mental status, REVEAL team members used standard psychological questionnaires to screen them for depression and anxiety. (sciencemag.org)
Vanman and his colleagues invited 138 active Facebook users (they averaged 2.8 hours daily use) to the psych lab where they provided a saliva cortisol sample and completed psychological questionnaires tapping their Facebook use, life - satisfaction, stress, mood and loneliness. (businessinsider.com)