Dataset for validation of the self-Dehumanisation in Psychosis Scale (DiPS): measuring feelings of self-dehumanisation in people who experience psychosis

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DiPS_cleaned_data.csv

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333807 Letter_of_HRA_Approval 15.01.2024.pdf

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Doctoral_Data_Management_Plan_DiPS_V1.0.docx

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http://eprints.org/relation/isVersionOf https://researchdata.bath.ac.uk/id/document/18769 http://eprints.org/relation/isVolatileVersionOf https://researchdata.bath.ac.uk/id/document/18769 http://eprints.org/relation/issmallThumbnailVersionOf https://researchdata.bath.ac.uk/id/document/18769 18781 1 74530 document 18781 indexcodes.txt text/plain 28f831d10ef7369d1fd0eb0e5a5a6c8a MD5 1020 2025-02-18 09:35:53 https://researchdata.bath.ac.uk/1494/18/indexcodes.txt 1494 18 18 text/plain other Generate index codes conversion from other to indexcodes en staffonly

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http://eprints.org/relation/isVersionOf https://researchdata.bath.ac.uk/id/document/18784 http://eprints.org/relation/isVolatileVersionOf https://researchdata.bath.ac.uk/id/document/18784 http://eprints.org/relation/isIndexCodesVersionOf https://researchdata.bath.ac.uk/id/document/18784 archive 13112 disk0/00/00/14/94 2025-12-22 13:25:33 2026-03-23 15:38:48 2025-12-22 13:25:33 data_collection show Jenkins Tom tj260@bath.ac.uk 0000-0001-7875-4417 University of Bath TRUE Supervisor Jacobsen Pamela P.C.Jacobsen@bath.ac.uk 0000-0001-8847-7775 University of Bath Supervisor Chadwick Paul P.D.J.Chadwick@bath.ac.uk 0000-0002-6765-6325 University of Bath Dataset for validation of the self-Dehumanisation in Psychosis Scale (DiPS): measuring feelings of self-dehumanisation in people who experience psychosis JN0010 dept_psy Self-dehumanisation, psychosis, internalised stigma, paranoid thoughts, voice-hearing, self-compassion Important: This dataset displays data scores for the 22-item DiPS. Following analysis in the DiPS validation study, the number of items in the DiPS was reduced to 13. For researchers seeking to conduct secondary analysis on this dataset, it is imperative that the 13-item DiPS is analysed, not all 22 items. To do this, please select the following 13 items: dips2, dips4, dips6, dips7, dips8, dips9, dips10, dips12, dips13, dips14, dips17, dips21, dips22. The dataset contains data collected from 456 people with experience of psychosis who participated in a study to validate the self-Dehumanisation in Psychosis Scale (DiPS). Demographic information includes ethnicity, gender, age, diagnosis, and whether a person is taking anti-psychotic medication. There are data from five self-report questionnaires collected at one time point: self-Dehumanisation in Psychosis Scale (DiPS); Self Compassion Scale Short Form (SCS-SF) (Raes et al., 2013), Revised Green et al., Paranoid Thoughts Scale (R-GPTS) (Freeman et al., 2021); Hamilton Programme for Schizophrenia Voices Questionnaires (HPSVQ), (Van Lieshout & Goldberg, 2007); Internalized Stigma of Mental Illness Inventory-9 (ISMI-9) (Hammer & Toland, 2017). The DiPS was completed at a second time point 3-7 days after the first to assess test-retest reliability. A subset of 197 participants completed the DiPS at the second time point. 2025-12-22 University of Bath public RightsHolder University of Bath Mental Health Research UK https://doi.org/10.13039/100009981 PhD studentship cent_bcmc There were two arms of recruitment for this study: NHS and non-NHS. - NHS participants were recruited from 16 NHS sites across England and Wales with support from the NIHR Clinical Research Network. Participants from NHS services with a diagnosis of schizophrenia spectrum disorder or eligibility for Early Intervention in Psychosis services were approached by local research teams and offered study participation. - Non-NHS participants were recruited through advertisements with mental health charities. Participants were required to have recent experience of distressing psychosis to be eligible for the study. - Both NHS and non-NHS participants were required to be 18 years old or above, and understand English language well enough to comprehend study materials. Once participants agreed to take part, they completed the questionnaires either via REDCAP or paper copy. Paper copy results were then entered manually into REDCAP. Participants completed 'Survey 1', involving DiPS, SCS-SF, ISMI-9, R-GPTS, and HPSVQ at time point 1. A subset of participants then completed 'Survey 2' (DiPS for a second time) at time point 2. 1) Participant entries in which Survey 1 has not been completed have been removed. 2) Mean imputation was used to replace missing data from questionnaires in which <20% items were incomplete. 3) Participants who indicated 'Other' for mental health diagnosis were asked to specify their using a free text entry box. This specification has been removed to avoid exposing potentially identifiable information. 4) One participant indicated a diagnosis of schizotypal disorder ('3' for diagnosis). This has been grouped with 'Other' to avoid exposing potentially identifiable information. Dataset was collected using REDCAP or on paper (then subsequently entered into REDCAP). en 1 10.15125/BATH-01494 https://doi.org/10.1093/schbul/sbaf242 pub open Dataset