QR Code Link to This Post We are running a 2 hour psychophysiology study that is designed to examine the body's responses during rest versus more active social tasks, and whether participants' emotional experiences and appraisals predict these responses. The first part of our study is a 15-minute online questionnaire. The second part of our study is a 1 hour and 45 minute lab visit at the Parnassus or Laurel Heights campus of the University of California, San Francisco.