“…Similarly, individuals with hoarding problems save excessive amounts of possessions to cope with uncertainty and life stressors (e.g., Landau et al., 2011 ; Timpano et al., 2011 ); thus, the uncertainty and stress of the COVID-19 pandemic may have made existing hoarding problems worse. A large amount of research has linked hoarding problems to intolerance of uncertainty and distress (e.g., Grisham et al., 2018 ; Mathes et al., 2017 ; Norberg et al., 2020 ; Norberg et al., 2015 ; Shaw and Timpano, 2016 ). Recent research has shown that, in the general public, the COVID-19 pandemic is associated with greater levels of psychological distress and a range of psychopathological problems such as depression, anxiety, and post-traumatic stress symptoms (e.g., Gao et al., 2020 ; Qiu et al., 2020 ; Wang et al., 2020 ).…”