“…Yet, they focused on depression only, found that skill use was frequently confounded with outcome assessments, that the efficacy of skill use and its everyday practice were often neglected, and they thus emphasized the need for further psychometric testing of skill measures (Hundt et al, 2013). Methods used for the evaluation of skill use include patient questionnaires, interviews, knowledge tests, thought-listing procedures and daily records with subsequent rater codings, or observational codings of session recordings (Hofmann, Fehlinger, Stenzel, & Rief, 2015; Hundt et al, 2013). Studies have investigated the level of agreement between patients and therapists on outcomes like alliance or functioning (e.g., Bar-Kalifa et al, 2016).…”