“…The study characteristics, treatment protocol, and description of findings are outlined in Table . The following results compare the eight PPT adaptations (Asgharipoor et al., ; Carr & Finnegan, ; Cohn et al., ; Huffman et al., ; Lambert D'raven et al., ; Meyer, Johnson, Parks, Iwanski, & Penn, ; Roepke et al., ; Schrank et al., ) to the original model (Seligman et al., ).…”