Posttreatment Attrition and Its Predictors, Attrition Bias, and Treatment Efficacy of the Anxiety Online Programs

Ali M AL-Asadi   ^{1, 2} , MA, MSc ;   Britt Klein   ^{3, 4, 5} , DPsych (Clinical) ;   Denny Meyer   ¹ , DBL

¹ School of Health Sciences, Swinburne University of Technology, Hawthorn, Australia

² Department of Arts and Education, Grande Prairie Regional College, Grande Prairie, AB, Canada

³ DVC-Research & Innovation Portfolio; the School of Health Sciences and; the Collaborative Research Network, Federation University, Ballarat, Australia

⁴ National Institute of Mental Health Research, The Australian National University, Canberra, Australia

⁵ National eTherapy Centre, School of Health Sciences, Swinburne University of Technology, Hawthorn, Australia