"Current Meta-Analyses of the Effectiveness of Psychotherapy Continue to Show

"Current meta-analyses of the effectiveness of psychotherapy continue to show most forms of therapy are effective and few significant differences exists in effectiveness among general psychotherapy, cognitive-behavioral therapy, and psychodynamic therapy." This conclusion is sometimes referred to as ________.

A) the dodo bird verdict
B) treatment differentiation
C) the Socratic inference
D) nonsignificant difference effect