Publications

International peer-reviewed journals

Aafjes‐van Doorn, K., & de Jong, K. (2022). How to make the most of routine outcome monitoring (ROM): A multitude of clinical decisions and nuances to consider. Journal of Clinical Psychology78 (10), 2054-2065. Link

de Jong, K., & Aafjes‐van Doorn, K. (2022). Routine outcome monitoring: The need for case examples. Journal of Clinical Psychology ,  78 (10), 1963-1972. Link

Bovenderd, B., de Jong, K. , de Groot, E., Moerbeek, M., & de Keijser, J. (2022). Enhancing the effect of psychotherapy through systematic client feedback in outpatient mental healthcare: A cluster randomized trial. Psychotherapy Research , 1-13. ePub Link

Koementas-de Vos, MM, van Dijk, M., Tiemens, B., de Jong, K., Witteman, CL, & Nugter, MA (2022). Feedback-informed Group Treatment: A Qualitative Study of the Experiences and Needs of Patients and Therapists. International Journal of Group Psychotherapy72 (3), 193-227. Link

Koementas-de Vos, MM, Colleye, LC, Tiemens, B., Engelsbel, F., De Jong, K., Witteman, CL, & Nugter, MA (2022). The feasibility, acceptability and effectiveness of a feedback-informed group treatment (FIGT) tool for patients with anxiety or depressive disorders. Research in Psychotherapy: Psychopathology, Process and Outcome . Link

Delgadillo, J., McMillan, D., Gilbody, S., De Jong, K. , Lucock, M., Lutz, W., Rubel, J., Aguirre, E., & Ali, S. (2021). Cost-effectiveness of feedback-informed psychological treatment: Evidence from the IAPT-FIT Trial. Behavior Research and Therapy, 142, 103873 Link  .

Van Thiel, S., Joosen, M., Joki, AL, Van Dam, A., Van der Klink, J., De Jong, K. (2021). Psychometric analysis of the Dutch language Facilitative Interpersonal Skills (FIS) video clips . Research in Psychotherapy: Psychopathology, Process and Outcome, 24, 513 Link .

Brugnera, A., Zarbo, C., Compare, A., Talia, A., Tasca, GA, De Jong, K. , … & Lo Coco, G. (2021). Self-reported reflective functioning mediates the association between attachment insecurity and well-being among psychotherapists. Psychotherapy Research31 (2), 247-257 Link .

De Jong, K., Conijn, JM, Gallagher, RA, Reshetnikova, AS, Heij, M., & Lutz, MC (2021). Using progress feedback to improve outcomes and reduce drop-out, treatment duration, and deterioration: A multilevel meta-analysis. Clinical Psychology Review , 102002 Link .

Janse, PD, De Jong, K. , Veerkamp, ​​​​C., van Dijk, MK, Hutschemaekers, GJ, & Verbraak, MJ (2020). The effect of feedback-informed cognitive behavioral therapy on treatment outcome: A randomized controlled trial. Journal of Consulting and Clinical Psychology . ePub Link 

Bovenderd, B., De Jong, K. , Colijn, S., de Groot, E., Hafkenscheid, A., Moerbeek, M., De Keijser, J. (2019). Systematic client feedback to brief therapy in basic mental health care: study protocol for a four-center clinical trial. BMJ Open , 9(5)m e025701 Link .

Carlier, IVE, Van Eeden, W., De Jong, K. , Giltay, EJ, Van Noorden, MS, Van der Feltz-Cornelis, C., Zitman, FG, Keldermand, H., Van Hemert, AM (2019) . Testing for response shift in treatment evaluation of change in self-reported psychopathology amongst secondary care psychiatric care outpatients. International Journal of Methods in Psychiatric Research, 28 (3), e1785 Link .

Delgadillo, J., De Jong, K. , Lucock, M., Lutz, W., Rubel, J., Gilbody, S., Ali, S., Aguirre, E., Appleton, M., Nevin, J. , O’Hayon, H., Patel, U., Sainty, A., Spencer, P., McMillan, D. (2018). Feedback-informed treatment versus usual psychological treatment for depression and anxiety: a multisite, open-label, cluster randomized controlled trial. The Lancet Psychiatry, 5 , 564-572 Link .

De Jong, K. , Segaar, J., Ingenhoven, T., Busschbach, JJV & Timman, RT (2018). Adverse effects of outcome monitoring feedback in patients with personality disorders: A randomized controlled trial in day treatment and inpatient settings. Journal of Personality Disorders , 32 , 393-413 Link .

Koementas-de Vos, M. Nugter, MA, Engelsbel, F. & De Jong, K. (2018). Does progress feedback enhance the outcome of group psychotherapy? Psychotherapy, 55 , 151-163 Link .

Delgadillo, J., Overend, K., Lucock, M., Groom, M., Kirby, N., McMillan, D., Gilbody, S., Lutz, W., Rubel, J. & De Jong, K. (2017). Improving the efficiency of psychological treatment using outcome feedback technology: A controlled before-and-after study and economic evaluation. Behavioral Research and Therapy, 99 , 89-97 Link .

Van Sonsbeek, MAMS, Holtmaat, CJM, Tiemens, BG, Hutschemaekers, GJM & De Jong, K. (2017). Psychometric properties of the Dutch version of the Treatment Support Measure (TSM) parent and youth form. Clinical Psychology and Psychotherapy, 24 , 1205-2018 Link . 

Jabrayilov, R., Emons, WHM, De Jong, K. & Sijtsma, K. (2017). Longitudinal measurement invariance of the Dutch Outcome Questionnaire-45 in a clinical sample . Quality of Life Research , 26 , 1473-1481 Link.

Janse, PD, De Jong, K. , Van Dijk, M., Hutschemaekers, G. & Verbraak, M. (2017). Improving the efficiency of cognitive-behavioral therapy by using formal client feedback. Psychotherapy Research, 27, 525-538 Link .

Timman, R., De Jong, K. & De Neve, N. (2017). Cut-off scores and clinical change indices for the Dutch Outcome Questionnaire (OQ-45) in a large sample of normal and several psychotherapeutic populations. Clinical Psychology and Psychotherapy, 24 , 72-81. Link

Kendrick, T., El-Gohary, M., Stuart, B., Gilbody, S., Churchill, R., Aiken, L., Bhattacharya, A., Gimson, A., Brütt, AL, De Jong, K & Moore, M. (2016) . Routine use of patient reported outcome measures (PROMs) for improving treatment of common mental disorders in adults. Cochrane Database of Systematic Reviews , Issue 7. Art. No.: CD01119. Link

Janse, PD, De Jong, K. , Van Dijk, MK, Hutschemaekers, GJM & Verbraak, MJPM(2016). Improving the efficiency of cognitive behavioral therapy by using formal client feedback. Psychotherapy Research, ePub. Link

De Jong, K. (2016). Challenges in the implementation of measurement feedback systems. Administration and Policy in Mental Health and Mental Health Services Research , 43, 467-470. Link

De Jong, K.  (2016). Deriving implementation strategies for outcome monitoring feedback from theory, research and practice. Administration and Policy in Mental Health and Mental Health Services Research, 43, 292-296. Link

Timman, R., De Jong, K. & De Neve, N. (2015). Cut-off scores and clinical change indices for the Dutch Outcome Questionnaire (OQ-45) in a large sample of normal and several psychotherapeutic populations. Clinical Psychology and Psychotherapy , ePub. Link

Lutz, W., De Jong, K. & Rubel, J. (2015). Patient-focused and feedback research in psychotherapy: Where are we and where do we want to go? Psychotherapy Research, 25, 625-632. Link

De Jong, K. & De Goede, M. (2015). Why don’t some therapists deal with outcome monitoring feedback? A feasibility study on the effect of regulatory focus and person-organization fit on attitude and outcome. Psychotherapy Research, 25 , 661-668. Link

Conijn, JM, Emons, WH, De Jong, K. & Sijtsma, K. (2015). Using person-fit analysis to detect and explain aberrant responding to the Outcome Questionnaire-45. Assessment, 22 , 513-524. Link

De Jong, K. , Timman, R., Hakkaart-van Roijen, L., Vermeulen, P., Kooiman, K., van Busschbach, J. (2014). The effect of outcome monitoring feedback to clinicians and patients in short and long-term psychotherapy: A randomized controlled trial. Psychotherapy Research, 24, 629-639. Link

Bouwmans, C.,  De Jong, K. , Timman, R., Swan Tan, S., Vlasveld, M., Van der Felz-Cornelis, C. & Hakkaart-van Roijen (2014). Feasibility, reliability and validity of a questionnaire on health care utilization and productivity (TiC-P). BMC Health Service Research, 13(1):1-9. Link

De Jong, K. , Van Sluis, P., Nugter, MA, Heiser, WJ, Spinhoven, P. (2012). Understanding the differential impact of outcome monitoring: therapist variables that moderate feedback effects in a randomized clinical trial. Psychotherapy Research, 22, 464-474 . Link

De Jong, K., Moerbeek, M. & Van der Leeden, M. (2010). A priori power analysis in longitudinal three level multilevel models: An example with therapist effects. Psychotherapy Research, 20,  273-284. Link

Wennberg, P. & Philips, B. & de Jong, K. (2010). The Swedish OQ in an addiction sample: preliminary results. Psychology and Psychotherapy, 83 , 325-329. Link

De Jong, K. , Nugter, MA, Polak, M., Wagenborg, JEA, Spinhoven, P. & Heiser, WA (2007). The Outcome Questionnaire (OQ-45) in a Dutch population : A cross-cultural validation. Clinical psychology & psychotherapy, 14 , 288-301. Link

 

Dutch peer reviewed journals

Janse, P. & De Jong, K. (2020). How progress feedback improves treatment outcomes. Journal of Psychotherapy, 45(5), 348-360.

DeJong, K. & Janse, P. (2018). Time for more nuance in the ROM discussion. The Psychologist , October, 46-53.

Zandee, M. & De Jong, K. (2018). The inter-rater reliability of the Mini Neuropsychiatric Interview Plus (MINI-Plus). Journal of Psychiatry .

Bouman, TK, Raes, F., De Jong, K . (2018). Evidence-based practice: A field of tension between clinician, patient and science. Behavioral Therapy, 51(2) , 64-71.

Van Sambeek, N., De Jong, K. , Boekhorst, L., Verbraak, M. & Van Emmerik, A. (2017). Facts about ROM. Data flow, privacy and benchmarking. Directive Therapy, 37 , 201-221.

De Jong, K. , Tiemens, B., Beekman, AFT, Bockting, CLH, Bouman, TK, Castelein, S., … Verbraak, M. (2017). Red ROM as a quality tool. Journal of Psychiatry, 59 , 242-244.

De Jong, K. (2016). Treatment results of independent psychologists and psychotherapists. Journal of Psychotherapy, 42, 308-317.

De Jong, K. (2016). Differences among clinicians in handling routine outcome measures. [Differences between clinicians in dealing with routine outcome measures]. Dutch Journal of Evidence Based Practice, 2 , 18-20.

De Jong, K. & Van ’t Spijker, A. (2013). Routine outcome monitoring: love it or leave it? Journal of Psychotherapy, 39, 190-194.

La Croix, K., De Jong, K. & De Groot, E. (2013). Is one therapist better than another? An exploration of therapist effects in the Netherlands. [Are some therapists better than others? An exploration of therapist effects in the Netherlands].  Journal of Psychotherapy, 39 , 172-187.

De Jong, K. (2012). Outcome monitoring feedback on treatment progress in outpatient psychiatric treatment: what is effective? [Outcome monitoring feedback on patients’ progress in outpatients: what is effective?]. Dutch Journal of Behavioral Medicine, 23 , 11-13.

De Jong, K. (2012). The role of the therapist: the ‘forgotten’ factor in ROM. [The role of the therapist: the ‘forgotten’ factor in routine outcome monitoring]. Journal of Psychiatry, 54 , 197-201 Link

Noom, M., de Jong, K. , Tiemens, B., Kamsteeg, F., Pot, AM, et al. (2012). ROM and benchmarking: how can treatment results be carefully compared? [Routine outcome monitoring and benchmarking: how can treatment results be compared in a careful and accurate way?]. Journal of Psychiatry, 54,  141-145 Link

De Jong, K. , Nugter, MA, Polak, M., Wagenborg, JEA, Spinhoven, P. & Heiser, WA (2008). The Dutch version of the Outcome Questionnaire (OQ-45): A cross-cultural validation. [The Dutch version of the Outcome Questionnaire (OQ-45)]. Psychology & Health, 36 , 35-45.

De Jong, K. & Nugter, K. (2004). The Outcome Questionnaire : psychometric characteristics of the Dutch translation. [The Outcome Questionnaire: psychometric properties of the Dutch translation]. Dutch Journal of Psychology, 59 , 76-79.

 

Books and book chapters

De Jong, K. & DeRubeis, RJ (2018). The effectiveness of psychotherapy. In: Butcher, J. N. & Hooley, J. (eds). Handbook of Psychopathology. Volume 1: Psychopathology: Understanding, Assessing, and Treating Adult Mental Disorders . Washington, DC: American Psychological Association.

Nugter, MA,  De Jong, K.  & Kortrijk, H. (2013). Measuring change in ROM. In: Praktijkboek ROM in de GGZ II. Implementation and use with different target groups.  (pp. 149-164). Utrecht: The Time Stream. 

De Jong, K. (2012). A chance for change: Building an outcome monitoring feedback system for outpatient mental health care. Doctoral dissertation, Leiden University.

Tiemens, B. & de Jong, K. (2011). Monitoring and evidence-based working – because no client is the same. [Monitoring and evidence-based psychiatry – because not one client is the same]. In: van Hees, S., van der Vlist, P. & Mulder, CL (Eds). From knowing to measuring: ROM in mental health care. Amsterdam: Boom.

De Jong, K. , Nugter, MA (2011). [The art of providing effective feedback: why receiving feedback does not always result in improving outcomes]. In: Buwalda, VJA, Nugter, MA, Swinkels, JA & Mulder, CL (Eds.). Practice book ROM in mental health care. A guideline for the use and implementation of measuring instruments. Utrecht: The Time Stream.

Buwalda, VJA, de Jong, K. (2011). Use of measuring instruments in different settings. (short-term) outpatient care. [The use of outcome measures in different treatment settings: outpatient mental health care]. In: Buwalda, VJA, Nugter, MA, Swinkels, JA & Mulder, CL (Eds.). Practice book ROM in mental health care. A guideline for the use and implementation of measuring instruments. Utrecht: The Time Stream.

The Young. K. , Nugter, MA, Lambert, MJ & Burlingame (2009). Manual for administration and scoring of the Outcome Questionnaire (OQ-45).  [Manual for administration and scoring of the Outcome Questionnaire (OQ-45)]. Salt Lake City,UT: OQ Measures LLC

 

Other publications

De Jong, K. (2012). Ceterum censeo (column). Digital and social? [Digital and social?]. Journal of Psychotherapy, 38(2),  127-130 . Link (members only)

De Jong, K. (2012). Ceterum censeo (column). Pile crazy [Pile gate]. Journal of Psychotherapy, 38(1) , 54-55. Link  (members only)

De Jong, K. (2011). Introduction. [Introduction]  Journal of Psychotherapy, 37  (5), 317-320. Link  (members only)

De Jong, K. (2009). Monitoring treatment results: better health outcomes or shorter treatment duration? [Monitoring treatment outcomes: better outcomes or shorter duration of treatment?]  Mental Health Monthly Journal, 9  (12), 1119-1121.

De Jong, K. (2005). A Mental Healthcare Thermometer Appreciation by Those Involved. Report results pilot study. Utrecht: Trimbos Institute.