 This form of therapy, including diagnosis and accompanying parenting techniques, is not scientifically validated, nor is it considered to be part of mainstream psychology.It is, despite its name, not based on attachment theory, with which it is considered incompatible.The controversy, as outlined in the 2006 American Professional Society on the Abuse of Children (APSAC) Task Force Report, has broadly centered around "holding therapy" and coercive, restraining, or aversive procedures.