Publicaties

2023

Bovendeerd, B., de Jong, K., de Groot, E., Moerbeek, M., Hafkenscheid, A., & de Keijser, J. (2023). The effect of therapist characteristics on the use and outcome of systematic client feedback in outpatient mental healthcare. Clinical Psychology & Psychotherapy, 30(5), 1146–1157.
https://doi.org/10.1002/cpp.2873

van Dijk, I.,  Boelen, P.A.,  de Keijser, J. & Lenferink, L.I.M. (2023) Assessing DSM-5-TR and ICD-11 prolonged grief disorder in children and adolescents: development of the Traumatic Grief Inventory – Kids – Clinician-Administered, European Journal of Psychotraumatology, 14:2, DOI: 10.1080/20008066.2023.2197697

Lenferink, L.I.M., Eisma, M.C. Buiter, M.Y. de Keijser, J. & Boelen, P.A. (2023): Online cognitive behavioral therapy for prolonged grief after traumatic loss: a randomized waitlist-controlled trial, Cognitive Behaviour Therapy, DOI: 10.1080/16506073.2023.2225744 https://doi.org/10.1080/16506073.2023.2225744

de Keijser, J., Kunst, M., Westerhof, G., Nijborg, L., & Lenferink, L. (2023). Spreekrecht voor nabestaanden. Letselschade News, 49(1).

de Keijser, J (2023). Rouw op de werkvloer: stand van zaken. Quintesse, 12,4,51-58

Nijborg, L.C.J., Westerhof, G.J., Kunst, M.J.J., de Keijser J. & Lenferink, L.I.M. (2023). Distinguishing prolonged grief and well-being in the context of a criminal trial: A longitudinal factor analytic study among homicidally bereaved people. European Journal of
Psychotraumatology

Reitsma, L., Boelen,P.A., de Keijser, J.  & Lenferink, L.L.M. (2023). Self-guided online treatment of disturbed grief, posttraumatic stress, and depression in adults bereaved during the COVID-19 pandemic: A randomized controlled trial. Behaviour Research and Therapy, 163,
https://doi.org/10.1016/j.brat.2023.104286.

2022

Boelen PA, Eisma MC, de Keijser J, Lenferink LIM (2022) Traumatic stress, depression, and non-bereavement grief following non-fatal traffic accidents: Symptom patterns and correlates. PLoS ONE 17(2): e0264497. https://doi.org/10.1371/journal.pone.0264497

Lenferink, L. I. M., Nickerson, A., Kashyap, S., de Keijser, J., & Boelen, P. A. (2022, May 5). Associations of Dimensions of
Anger With Distress Following Traumatic Bereavement. Psychological Trauma: Theory, Research, Practice, and Policy.  http://dx.doi.org/10.1037/tra0001275

Bovendeerd,B., de Jong,K., de Groot,K., 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, https://DOI: 10.1080/10503307.2021.2015637

 

2021

de Keijser J. (2021) Het lichaam in rouw. In: Eurelings E., Kooiman C., Lub M. (eds) Het lichaam en psychisch functioneren. Bohn Stafleu van Loghum, Houten. https://doi.org/10.1007/978-90-368-2683-9_12

Lenferink, L., van den Munckhof, M., de Keijser, J. &  Boelen, P.A. DSM-5-TR prolonged grief disorder and DSM-5 posttraumatic stress disorder are related, yet distinct: Confirmatory factor analyses in traumatically bereaved people. October 2021 European Journal of Psychotraumatology

Reitsma, L., Boelen, P.A., de Keijser, J. & Lenferink, L. Online treatment of persistent complex bereavement disorder, posttraumatic stress disorder, and depression symptoms in people who lost loved ones during the COVID-19 pandemic: Study protocol for a randomized controlled trial and a controlled trial [in press] September 2021 European Journal of Psychotraumatology

Boelen, P. A., Eisma, M. C., Smid, G. E., de Keijser, J., & Lenferink, L. I. M. (2021). Remotely delivered cognitive behavior therapy for disturbed grief during the COVID-19 crisis: Challenges and opportunities. Journal of Loss & Trauma, 26(3), 211-219. https://doi.org/10.1080/15325024.2020.1793547

Lenferink, L., de Keijser, J., Eisma, M., Smid, G., & Boelen, P. A. (2021). Treatment gap in bereavement care: (Online) bereavement support needs and use after traumatic loss. Clinical Psychology and Psychotherapy, 28(4), 907-916. https://doi.org/10.1002/cpp.2544

2020

Coby Gerlsma, Valerie Lugtmeyer, Mariette Denderen, Jos de Keijser (2020) Revenge and forgiveness after victimization: psychometric evaluation of a Dutch version of the TRIM intended for victims and offenders.  Current Psychology. https://link.springer.com/article/10.1007/s12144-020-01283-1

Jos de Keijser, Marianne Snijdewind, Gerty Casteelen & Geert Smid (2020).  Complexe rouw: doodsoorzaak heeft invloed. Nederlands Tijdschrift voor Geneeskunde, 164,26/27,100-103.

Lonneke Lenferink, Jos de Keijser, Maarten Eisma, Geert Smid & Paul Boelen (2020). Online cognitive behavioral therapy for traumatically bereaved people: Study protocol for a randomized waitlist-controlled trial. BMJ Open, DOI: 10.1136/bmjopen-2019-035050

Lonneke Lenferink, Jos de Keijser, Geert Smid & Paul Boelen (2020). Cognitive Therapy and EMDR for Reducing Psychopathology in Bereaved People after the MH17 Plane Crash: Findings from a Randomized Controlled Trial. Traumatology. DOI: 10.1037/trm0000253

Lonneke Lenferink, Angela Nickerson, Jos de Keijser, Geert Smid & Paul Boelen (2020). Trajectories of grief, depression, and posttraumatic stress in disaster-bereaved people. Depression and Anxiety, DOI: 10.1002/da.22850

2019

Lonneke Lenferink, Angela Nickerson, Jos de Keijser, Geert Smid & Paul Boelen. (2019) Reciprocal Associations Among Symptom Levels of Disturbed Grief, Posttraumatic Stress, and Depression Following Traumatic Loss: A Four-Wave Cross-Lagged Study. Clinical Psychological Science, DOI: 10.1177/2167702619858288

Lonneke Lenferink, Jos de Keijser, Ineke Wessel, Paul Boelen (2019). Cognitive behavioural therapy and mindfulness for relatives of missing persons: A pilot study. Pilot and Feasibility Studies. DOI: 10.1186/s40814-019-0472-z

Boelen, P., Smid, G. E., Verloop, B., de Keijser, J., & Lenferink, L. (2019). Patterns, predictors, and prognostic validity of Persistent Complex Bereavement Disorder (PCBD) symptoms in recently bereaved adults: A latent class analysis. JOURNAL OF NERVOUS AND MENTAL DISEASE. https ://doi.org/10.1097/nmd.00000 00000 00105 3

Lenferink, L.I.M., Nickerson, A., de Keijser, J., Smid, G.E., & Boelen, P.A. (2019). Trajectories of grief, depression, and posttraumatic stress in disaster-bereaved people. Depression & Anxiety. DOI: 10.1002/da.22850

Lenferink, L., de Keijser, J., Wessel, I., & Boelen, P. A. (2019) Feasibility and potential effectiveness of cognitive behavioural therapy and mindfulness for relatives of missing persons: A pilot study. Pilot and Feasability Studies, 5, 93.  https://doi.org/10.1186/s40814-019-0472-z

Bovendeerd, A., 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 healthcare: study protocol for a four-centre clinical trial. BMJ Open. Bekijk publicatie

2018

Boelen, P. A., Djelantik, A. A. A. M. J., de Keijser, J., Lenferink, L. I. M., & Smid, G. E. (2018). Further validation of the Traumatic Grief Inventory-Self Report (TGI-SR): A measure of persistent complex bereavement disorder and prolonged grief disorder. Death Studies. Link

de Keijser, J., Boelen, P. A., & Smid, G. (2018). Handboek traumatische rouw. Amsterdam: Boom.

de Keijser, J. (2018). Suicide. In Handboek traumatische rouw (pp. 77-92). Amsterdam: Boom.

de Keijser, J., Lenferink, L., & Smid, G. E. (2018). Aanslagen en rampen. In Handboek Traumatische Rouw Boom.

Eisma, M., & de Keijser, J. (2018). Dodelijke verkeersongevallen. In J. de Keijser, P. Boelen, & G. Smid (Eds.), Handboek traumatische rouw (pp. 104-116). Amsterdam: Boom.

Lenferink, L., de Keijser, J., Wessel, I., & Boelen, P. A. (2018). Achterblijvers na vermissing. In J. de Keijser, P. Boelen, & G. Smid (Eds.), Handboek Traumatische Rouw (1 ed., pp. 129 – 141). Boom.

Lenferink, L. I. M., de Keijser, J., Wessel, I., & Boelen, P. A. (2018). Cognitive-behavioral correlates of psychological symptoms among relatives of missing persons. International Journal of Cognitive Therapy, 11(3), 311–324. Link

Lenferink, L. I. M., de Keijser, J., Piersma, E., & Boelen, P. A. (2018). I’ve changed, but I’m not less happy: Interview study among nonclinical relatives of long-term missing persons. Death Studies, 42(6), 346-355. Link

Lenferink, L.I.M., Piersma, E., de Keijser, J., Smid, G.E. & Boelen, P.A.
(2018). Cognitive behavioural therapy and eye movement desensitization and reprocessing for disaster-bereaved individuals versus waiting list controls: study protocol for a randomised controlled trial.

Lenferink, L. I. M., de Keijser, J., van Denderen, M. Y., & Boelen, P. A. (Accepted/In press). Latent classes of posttraumatic stress symptoms in two samples of bereaved people. International journal of stress management. Link

Lenferink, L., Nickerson, A., de Keijser, J., Smid, G. E., & Boelen, P. A. (2018). Trajectories of grief, depression, and posttraumatic stress in disaster-bereaved people. Depression and Anxiety. Link

van Denderen, M., de Keijser, J., Stewart, R., & Boelen, P. A. (2018). Treating complicated grief and posttraumatic stress in homicidally bereaved individuals: A randomized controlled trial. Clinical psychology & psychotherapy, 25(4), 497-508. Link

2017

Lenferink, L., Piersma, E., de Keijser, J., Smid, G. E., & Boelen, P. A. (2017). Cognitive therapy and eye movement desensitization and reprocessing for reducing psychopathology among disaster-bereaved individuals: Study protocol for a randomised controlled trial. European Journal of Psychotraumatology, 8(1), [1388710]. Link

Lenferink, L., Eisma, M., de Keijser, J., & Boelen, P. A. (2017). Grief rumination mediates the association between self-compassion and psychopathology in relatives of missing persons. European Journal of Psychotraumatology, 8(sup6), [1378052]. Link

Lenferink, L. I. M., van Denderen, M. Y., de Keijser, J., Wessel, I., & Boelen, P. A. (2017). Prolonged grief and post-traumatic stress among relatives of missing persons and homicidally bereaved individuals: A comparative study. Journal of Affective Disorders, 209, 1-2. Link

Lenferink, L. I. M., de Keijser, J., Smid, G. E., Djelantik, A. A. A. M. J., & Boelen, P. A. (2017). Prolonged grief, depression, and posttraumatic stress in disaster-bereaved individuals: Latent class analysis. European Journal of Psychotraumatology, 8(1), [1298311]. Link

Lenferink, L. I. M., de Keijser, J., Wessel, I., de Vries , D., & Boelen, P. A. (2017). Toward a better understanding of psychological symptoms in people confronted with the disappearance of a loved one: A systematic review. Trauma, Violence, & Abuse. Link

2016

Boelen, P. A., van Denderen, M., & de Keijser, J.  (2016). Prolonged grief, posttraumatic stress, anger,
and revenge phenomena following homicidal loss: The role of negative cognitions and avoidance behaviors. Homicide Studies: An Interdisciplinary & International Journal, 20(2), 177-195. doi:10.1177/1088767915580674

Boelen, P.A., de Keijser, J., Spuij, M. & Smid, G.E. (2016). Het Landelijk Centrum Traumatische Rouw.
Cogiscope, 3, 6-11.

de Beurs, DP, de Groot, MH, de Keijser, J., van Duijn, E., de Winter, RFP, Kerkhof, AJFM.
(2016). Evaluation of benefits to patients of training mental health professionals in suicide guidelines: cluster randomized trial. British Journal of Psychiatry, DOI 10.1192/bjp.bp.114.156208

Gerlsma, C., van Denderen, M., Lugtmeyer, V. & de Keijser, A. (2016). Psychometric evaluation of a Dutch version of the TRIM in student samples from three educational levels and a sample of (ex-)detainees. Journal of forensic psychology practice, Link

Lenferink, L. I. M., Wessel, I., de Keijser, J., & Boelen, P. A. (2016). Cognitive behavioural therapy for psychopathology in relatives of missing persons: Study protocol for a pilot randomised controlled trial. Pilot and Feasibility Studies, 2(1).

van Denderen, M., de Keijser, J., Huisman, M., & Boelen, P. A. (2016). Prevalence and correlates of self-rated posttraumatic stress disorder and complicated grief in a community-based sample of homicidally bereaved individuals. Journal of Interpersonal Violence, 31(2), 207-227. doi:10.1177/0886260514555368

2015

Boelen, P. A., de Keijser, J., & Smid, G. (2015). Cognitive–behavioral variables mediate the impact of violent loss on post-loss psychopathology. Psychological Trauma: Theory, Research, Practice, and Policy, 7(4), 382-390. doi:10.1037/tra0000018

de Beurs, DP, de Groot MH, de Keijser J, van Duijn, E, De Winter, RFP, Kerkhof AJFM
(2015). Training mental health professionals in suicide practice guideline adherence: Cost-effectiveness analysis alongside a randomized controlled trial. Journal of Affective Disorders, 186, 203-210.

de Beurs DP, de Groot MH, de Keijser J, Mokkenstorm J, van Duijn E, de Winter, RF, Kerkhof, AJFM (2015). The effect of an e-learning supported Train-the-Trainer program on implementation of suicide guidelines in mental health care. Journal of Affective Disorders, 175, 446-453. doi: 10.1016/j.jad.2015.01.046

van Denderen, M., de Keijser, J., Kleen, M., & Boelen, P. A. (2015). Psychopathology among homicidally bereaved individuals: A systematic review. Trauma, Violence, & Abuse, 16(1), 70-80. Doi:10.1177/1524838013515757

 

Relevante vakpublicaties (vanaf 2014)

Boelen, P.A., de Keijser, J. & Smid, G. (2014). Individuele gevolgen van Traumatisch Verlies: Rouw na de Vliegramp Oekraine. Cogiscope, 4,19-25.

de Groot, M. & de Keijser, J.(2016). Opvang van nabestaanden na suicide. In: A Kerkhof & B. van Luyn Behandeling van suicidaal gedrag in de praktijk van de GGZ. BSL, Houten.

de Keijser J.(2014). Behandeling van de gevolgen van een niet-natuurlijk verlies. Rouw na moord, suïcide of persoonsvermissing. In: J. Maes & H. Modderman (2014). Handboek Rouw,
rouwverwerking, rouwtherapie. Tussen presentie en interventie. p 281-293. Antwerpen: Witsand Uitgevers

de Keijser, J.(2014). Diagnostiek en behandeling van complexe rouw. Oratie 13-5-2014 Rijksuniversiteit Groningen

de Keijser, J. 2015) De emotionele gevolgen van medische fouten: onbekend gebied voor psychotrauma-onderzoek? Liber Amicorum R. Kleber, 8-12-2015. Arq: Diemen.

De Keijser, J.(2016). Het zelfgekozen levenseinde. Levensbeëindiging als oplossing? In: M. Vink, S. Teunisse & H. Geertsema. Klaar met leven? Over ouderen, psychologie en de dood. p.11-25 BSL: Houten.

De Keijser, J. (2016). Suicidaal gedrag bij jongeren. Recensie Tijdschrift voor Psychiatrie, 10,
Steendam, M., de Keijser, J., de Beurs, D. & Wenning, H. (2016). Suicidaliteit in de huisartsenpraktijk. In: A Kerkhof & B. van Luyn Behandeling van suicidaal gedrag in de praktijk van de GGZ. BSL, Houten.

Van der Velde, Bosmans, Bouman, De Keijser, Kleber, Schut (2015). De belasting van traumaonderzoek: Een prospectieve multiwave-studie naar veronderstelde en onvermoede voorspellers. De Psycholoog, 50, 44-54.

Oudere wetenschappelijke publicaties

Publicaties Jos de Keijser voor 2015 (PDF)