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.
Questionnaires pertaining to exercise levels and dietary behaviours were administered along with a food recall (for the previous day) and the Depression and Anxiety Stress Scale (DASS21)(Lovibond and Lovibond 1995)
psychological questionnaire at baseline, three month and completion of the project.
As part of the Framingham Heart Study, participants updated researchers on their social contacts and health status, including happiness, as measured by a
standard psychological questionnaire.
Christopher Deason stumbled upon
the psychological questionnaire on June 9, 2014.
His data was collected dozens of times after 52 of his Facebook friends were directed to
the psychological questionnaire, many by a site called Swagbucks.
Around 25,000 children aged between 11 and 16 meet the definition of a problem gambler, according to
a psychological questionnaire.
Both
the psychological questionnaire and the fMRI data showed there was no difference in empathy and aggressive tendencies between the study group and the control group.
To better understand these early signs, researchers analyzed
a psychological questionnaire filled out yearly for a decade by thousands of HD mutation carriers and their companions.
Recruiting people via phone and door - to - door solicitations, the researchers gathered heterosexual volunteers to fill out
a psychological questionnaire on their relationship satisfaction, sexual satisfaction and factors such as length of relationship, health and physical intimacy.
Objectives: Temporal stability of clinical -
psychological questionnaires is problematic from a conceptual point of view, and it is empirically insuffi - ciently examined.
Abstract: Objectives: Temporal stability of clinical -
psychological questionnaires is problematic from a conceptual point of view, and it is empirically insuffi - ciently examined.