David D. Neto
Development and validation of a system of assimilation indices: A mixed method approach to understand change in psychotherapy
Neto, David D.; Baptista, Telmo M.; Dent-Brown, Kim
Telmo M. Baptista
Dr Kim Dent-Brown K.Dent-Brown@hull.ac.uk
Assimilation is an important process in understanding change in psychotherapy. Similar to other psychological processes, assimilation may be traceable in the speech of clients by attending to its signs or indices. In the present research, we aimed to build a system of indices of assimilation.
Design and methods
This research follows a mixed method design. The indices were derived through qualitative analysis, using grounded theory. Subsequently, the indices were adjusted quantitatively and applied to 30 single psychotherapy sessions of adult clients with depression and 11 therapists. Forty‐two indices were found and grouped into the following five process categories of assimilation: external distress, pain, noticing, decentring and action.
The indices showed good inter‐rater reliability and internal consistency. Except for noticing, all process categories correlated significantly with each other according to conceptual proximity. The system of indices also showed convergent validity with an existing coding system of assimilation for two process categories.
The results suggest that the system of indices is a useful approach for understanding assimilation. The consideration of assimilation in a continuous fashion through sub‐processes may help to extend our knowledge of this process and provide a tool for clinical practice.
Assimilation is an important process in understanding change in psychotherapy in the sense that it takes into account insight and action‐related processes.
Clients convey in their speech signs or indices of the assimilation process which can be observed both in the style and content of their utterances.
Using these indices, therapists can continuously assess assimilation and use this information in choosing interventions.
This study follows a cross‐sectional design and does not allow consideration of the predictive value of the indices.
The outcome of the therapy was not taken into account, which restricts validity considerations to the comparison with an existing instrument and the observation of the relation between sub‐processes of assimilation.
|Journal Article Type||Article|
|Journal||British Journal of Clinical Psychology|
|Peer Reviewed||Peer Reviewed|
|APA6 Citation||Neto, D. D., Baptista, T. M., & Dent-Brown, K. (2015). Development and validation of a system of assimilation indices: A mixed method approach to understand change in psychotherapy. British Journal of Clinical Psychology, 54(2), 147-162. https://doi.org/10.1111/bjc.12066|
|Keywords||Psychotherapy; Assimilation; Assimilation indices; Change processes|
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