“…The number of studies taken into consideration for each transdiagnostic factor varied. Avoidance was the most studied transdiagnostic factor found in 23 articles (63.89%) ( n = 19 experimental studies and n = 4 case studies) [ 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 ], followed by emotion regulation, which was found in eight articles (22.22%; n = 7 experimental studies and n = 1 case study) [ 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 ]; aggression, which was found in three experimental studies (8.33%) [ 70 , 71 , 72 ]; impulsivity, which was found in two studies (5.56%; n =1 experimental study and n = 1 case study) [ 71 , 73 ]; and cognitive reappraisal, which was found in two studies (5.56%; n = 1 experimental study and n = 1 case study) [ 63 , 74 ]. No studies were found for the transdiagnostic factor of disinhibition.…”