Background
Authors & publication date | Journal | Number of participants & Age group | Outcome measures | Main findings | Effect sizes |
---|---|---|---|---|---|
(Tchanturia, Larsson & Brown, 2016) [23] | Neuropsychiatry | 42 completed DFlex, 77 CFS self-report questionnaires Age range: 17–59. 6 sessions. | Significant improvement in the patients’ self-reported cognitive flexibility and bigger picture thinking, as well as in self-reported ability to change. | Dflex Rig d = 0.36, Dflex Det d = 0.37, CFS d = 0.18, MR Abi d = 0.34 | |
(Lang et al., 2015) [10] | Psychiatry Research | 6 female patients and 6 mothers, One off group to support the parents and patients, Mix adult/adolescents. AN Age range: 14–32. | Neuropsychological measures (Wisconsin card sorting task; The Rey Osterrieth Complex Figures Test) and Qualitative interview post-completion. | Overall positive feedback from the qualitative interview. Statistical analysis was not conducted, but an improvement on both patients and mothers neuropsychological scores post-intervention was observed. | N/A |
(Asch et al., 2014) [2] | Encephale | 10 adolescents (Final: 2). Age range: 12–17. Inpatients. 10 sessions. | Clinical inventories and neuropsychological assessments (WCST, TMT, Brixton) | Statistical analysis not conducted-improvement on most neuropsychological tests and clinical inventories. | N/A |
(Zuchova, Erler & Papezova, 2013) [30] | Eating and Weight Disorders | 2 groups 14 and 20 patients each. Adults. Inpatients. (33:1 F:M). Age range:16–35. 10 sessions . | No formal outcomes assessed. Observational study reporting positive evaluation from patients and facilitators. | Positive feedback from patients and facilitators. Patients able to reflect more post-treatment and tolerate own mistakes. | N/A |
(Pretorius et al., 2012) [15] | European Eating Disorder Review | 30 adolescents (29:1 F:M). (Final sample: 24). Day patients. Age range: 12–17. 4 sessions. | Cognitive flexibility Scale (CFS). Motivational Ruler (MR) | No significant differences on the CFS or Motivational ruler. | CFS d = 0.1, MR Imp d = 0.1, MR Abil d = 0.05 |
(Wood, Al-Khairulla & Lask, 2011) [29] | Clinical Child Psychology/Psychiatry | 9 adolescents. Age range 13–19. One off group. 10 sessions. | No formal outcomes assessed. Observational study reporting positive evaluation from patients and facilitators | Participants appeared more aware of individual cognitive styles. Visible improvements in performance on some tasks. | N/A |
(Genders & Tchanturia, 2010) [5] | Eating and Weigh Disorders | 30 adults. (28:2 F:M). Age range: 14–60. Pilot group. 4 Sessions. | CFS, Rosenberg Self-Esteem Scale (RSE), MR. | MR Ability to change significantly improved. No significant change in CFS or RSE. Positive feedback from patients. | MR Ab d = 0.5, MR Imp d = 0.06, CFS d = 0.05, RSE d = 0.1 |
Methods
Participants
The CRT group (“Flexibility workshop”)
Procedure
Detail and flexibility questionnaire (DFlex) [16]
Motivational ruler (MR) [13]
Patient feedback questionnaire
ASD measures
Data analysis
Results
First session | Last session | ||||||
---|---|---|---|---|---|---|---|
Measures | n | Mean | SD | Mean | SD | p | d |
Low Scoring ASD
| |||||||
DFlex Cog Rig | 21 | 54.5 | 9.7 | 50.5 | 8.5 | .007 | 0.5 |
DFlex Attn Det | 21 | 51.0 | 9.8 | 47.2 | 9.0 | .053 | 0.4 |
MR Importance | 21 | 7.8 | 1.9 | 7.9 | 2.0 | .450 | 0.1 |
MR Ability | 21 | 5.3 | 2.5 | 6.4 | 1.9 | .004 | 0.5 |
High scoring ASD
| |||||||
DFlex Cog Rig | 14 | 56.9 | 10.3 | 57.2 | 8.8 | .905 | 0.0 |
DFlex Attn Det | 14 | 54.5 | 11.5 | 53.4 | 7.7 | .702 | 0.1 |
MR Importance | 14 | 7.1 | 3.0 | 7.6 | 3.0 | .427 | 0.2 |
MR Ability | 14 | 3.0 | 2.7 | 3.6 | 3.5 | .389 | 0.2 |