Evaluation
The Negative Effects Questionnaire (NEQ) has currently been evaluated in terms of its reliability and factor structure in articles published in the peer-reviewed journals PLoS One and Behavioral and Cognitive Psychotherapy. Moreover, in accordance with idea of providing important and interesting research for free, the articles are available for everyone through so-called open access – just click on the title below to read it online or download to your computer, tablet, or smartphone.
- Rozental, A., Kottorp, A., Forsström, D., Månsson, K., Boettcher, J., Andersson, G., Furmark, T., & Carlbring, P. (2019). The Negative Effects Questionnaire: Psychometric properties of an instrument for assessing adverse and unwanted events in psychological treatments. Behavioural and Cognitive Psychotherapy, 47(5), 559-572. doi:10.1017/S1352465819000018
- Rozental, A., Kottorp, A., Boettcher, J., Andersson, G., & Carlbring, P. (2016). Negative Effects of Psychological Treatments: An Exploratory Factor Analysis of the Negative Effects Questionnaire for Monitoring and Reporting Adverse and Unwanted Events. PLoS ONE, 11(6), e0157503. doi: http://10.1371/journal.pone.0157503
Additional references
(in reverse chronological order)
For additional articles related to the research of negative effects of psychological treatments in general, and for Internet-based treatment interventions in particular, please consult some of the references below.
Rozental, A., Castonguay, L., Dimidjian, S., Lambert, M., Shafran, R., Andersson, G., & Carlbring, P. (2018). Negative effects in psychotherapy: Commentary and recommendations for future research and clinical practice. BJPsych Open, 4(4), 307-312. doi:10.1192/bjo.2018.42
Rozental, A., Magnusson, K., Boettcher, J., Andersson, G., & Carlbring, P. (2017). For better or worse: An individual patient data meta-analysis of deterioration among participants receiving Internet-based cognitive behavior therapy. Journal of Consulting and Clinical Psychology, 85(2), 160-177.
Ebert, D. D., Donkin, L., Andersson, G., Andrews, G., Berger, T., Carlbring, P., Rozental, A., Choi, I., Laferton, J. A. C., Johansson, R., Kleiboer, A., Lange, A., Lehr, D., Reins, J.A., Funk, B., Newby, J., Perini, S., Riper, H., Ruwaard, J., Sheeber, L., Snoek, F. J., Titov, N., Ünlü Ince, B., van Bastelaar, K., Vernmark, K., van Straten, A., Warmerdam, L., Salsman, N. and Cuijpers, P. (2016). Does Internet-based guided-self-help for depression cause harm? An individual participant data meta-analysis on deterioration rates and its moderators in randomized controlled trials. Psychological Medicine, 46(13), 2679-2693. doi: http://dx.doi.org/10.1017/S0033291716001562
Rozental, A., Boettcher, J., Andersson, G., Schmidt, B., & Carlbring, P. (2015). Negative effects of Internet interventions: A qualitative content analysis of patients’ experiences with treatments delivered online. Cognitive Behaviour Therapy, 44(3), 223-236. doi: http://dx.doi.org/10.1080/16506073.2015.1008033
Bystedt, S., Rozental, A., Andersson, G., Boettcher, J., & Carlbring, P. (2014). Clinicians’ perspectives on negative effects of psychological treatments. Cognitive Behaviour Therapy, 43(4), 319-331. doi: http://dx.doi.org/10.1080/16506073.2014.939593
Rozental, A., Andersson, G., Boettcher, J., Ebert, D. D., Cuijpers, P., Knaevelsrud, C., Brjánn Ljótsson, B., Kaldo, V., Titov, N., & Carlbring, P. (2014). Consensus statement on defining and measuring negative effects of Internet interventions. Internet Interventions, 1(1), 12-19. doi: http://dx.doi.org/10.1016/j.invent.2014.02.001
Boettcher, J., Rozental, A., Andersson, G., & Carlbring, P. (2014). Side effects in Internet-based Interventions for social anxiety disorder. Internet Interventions, 1(1), 3-11. doi: http://dx.doi.org/10.1016/j.invent.2014.02.002