Before revision: Although these scales provide empirical methodology for study of attributional style, and considerable empirical data support the Abramson-Seligman-Teasdale model of depression, there has been dispute about whether this concept really exists.
After revision: Although these scales provide empirical methodology for study of attributional style, and considerable empirical data support the Abramson–Seligman–Teasdale model of depression, there has been dispute about whether this concept really exists.