La ricerca in psicoterapia: storia, principali gruppi di lavoro, stato attuale degli studi sul risultato e sul processo. 

Paolo Migone 

The Therapy Process Code: A Multidimensional System for Observing Therapist and Client Interactions. 

Patricia Chamberlain, J.P. Davis, Marion Forgatch, Janice Frey, G.R. Patterson, Judy Ray, Alice Rothschild, Joanne Trombley 

The Interpersonal Process Code (IPC). 

Julie C. Rusby , Annette Estes , Tom Dishion 

Therapist Verbal Behavior Early in Treatment: Relation to Successful. 

Michelle D. Harwood , Sheila M. Eyberg 

Assessing the integrity of motivational interviewing interventions: reliability of the motivational interviewing skills code. 

Theresa Moyers , Tim Martin