Moderating Role of State and Trait Positive Affect in Virtual Reality Exposure for Public Speaking Anxiety: Protocol for a Multisite Experimental Study

Michael W Otto   ^{1, 2} , PhD ;   Laura J Long   ^{1, 2} , PhD ;   Santiago Papini   ^{2, 3} , PhD ;   Tara Culver   ^{1, 2} , BA ;   Charles T Taylor   ^{2, 4} , PhD ;   Mikael Rubin   ^{2, 5} , PhD ;   Hayley E Fitzgerald   ^{1, 2} , PhD ;   Qimin Liu   ^{1, 2} , PhD ;   Jasper A J Smits   ^{2, 6} , PhD ;   Rebecca A Anderson   ^{2, 7} , PhD ;   Asimina Aslanidou   ^{2, 8} , MS ;   Christoph Benke   ^{2, 9} , PhD ;   Wouter R Cox   ^{2, 10} , PhD ;   Iris M Engelhard   ^{2, 10} , PhD ;   Sydney E Friedman   ^{2, 11} , MA ;   Rachel R Goodman   ^{2, 12} , BA ;   Bronwyn M Graham   ^{2, 13} , PhD ;   Bridget A Hearon   ^{2, 14} , PhD ;   Houston W Howard   ^{2, 15} , MS ;   Jolene Jacquart   ^{2, 11} , PhD ;   Hannah M Johnson   ^{2, 15} , BS ;   M Alexandra Kredlow   ^{2, 12, 16} , PhD ;   Charlene L M Lam   ^{2, 17, 18} , PhD ;   Eric B Lee   ^{2, 15} , PhD ;   Grace Vogelzang McClure   ^{2, 6} , BS ;   Peter M McEvoy   ^{2, 7, 19} , PhD ;   Christiane A Melzig   ^{2, 9} , PhD ;   Tara M Moore   ^{2, 6} , BA ;   Karen Moses   ^{2, 20} , PhD ;   Samantha M Nagy   ^{2, 11} , MS ;   Jill M Newby   ^{2, 13, 21} , PhD ;   Paul F R Pfaff   ^{2, 10} , MS ;   Amy Regan   ^{2, 21} , BPsych ;   Winfried Rief   ^{2, 22} , PhD ;   Daniel Rudaizky   ^{2, 7} , PhD ;   Logan H Smith   ^{2, 14} , BA ;   Sharon C Sung   ^{2, 23} , PhD ;   Matthias J Wieser   ^{2, 8} , PhD ;   Alex H K Wong   ^{2, 8} , PhD ;   Quincy J J Wong   ^{2, 20} , PhD ;   Nur Hani Zainal   ^{2, 24} , PhD ;   Zhiqi Zhang   ^{2, 17} , BA

¹ Department of Psychological and Brain Sciences, Boston University, Boston, MA, United States

² Exposure Therapy Consortium, The University of Texas, Austin, United States

³ Department of Psychology, University of Hawaiʻi at Mānoa, Honolulu, HI, United States

⁴ Department of Psychiatry, University of California, San Diego, La Jolla, CA, United States

⁵ Department of Psychology, Palo Alto University, Palo Alto, CA, United States

⁶ Department of Psychology, The University of Texas at Austin, Austin, TX, United States

⁷ enAble Institute and School of Population Health, Curtin University, Bentley, Australia

⁸ Department of Psychology, Educational Science, and Child Studies, Erasmus University Rotterdam, Rotterdam, The Netherlands

⁹ Department of Clinical Psychology, Experimental Psychopathology and Psychotherapy, Philipps University of Marburg, Marburg, Germany

¹⁰ Department of Clinical Psychology, Utrecht University, Utrecht, The Netherlands

¹¹ Department of Psychology, University of Arizona, Tucson, AZ, United States

¹² Department of Psychology, Tufts University, Medford, MA, United States

¹³ School of Psychology, UNSW Sydney, Sydney, Australia

¹⁴ Department of Psychology, Albright College, Reading, PA, United States

¹⁵ School of Psychological and Behavioral Sciences, Southern Illinois University Carbondale, Carbondale, IL, United States

¹⁶ Department of Psychology, Harvard University, Cambridge, MA, USA

¹⁷ Laboratory of Clinical Psychology and Affective Neuroscience, University of Hong Kong, Hong Kong, China (Hong Kong)

¹⁸ State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Hong Kong, Hong Kong Special Administrative

¹⁹ Centre for Clinical Interventions, Northbridge, Australia

²⁰ School of Psychology, Western Sydney University, New South Wales, Australia

²¹ Black Dog Institute, Sydney, Australia

²² Department of Clinical Psychology and Psychotherapy, Philipps University of Marburg, Marburg, Germany

²³ Programme in Health Services and Systems Research, Duke-NUS Medical School, Singapore, Singapore

²⁴ Department of Psychology, National University of Singapore, Singapore, Singapore