Who are we missing? Self-selection bias in nonsuicidal self-injury research.
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Date
2023-10
Open Access Location
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
John Wiley and Sons, Inc.
Rights
(c) 2023 The Author/s
CC BY-NC 4.0
CC BY-NC 4.0
Abstract
BACKGROUND: Despite the threat of self-selection bias to the generalizability of research findings, remarkably little is known about who chooses to take part in non-suicidal self-injury (NSSI) research specifically. We aimed to establish the extent of willingness to take part in NSSI research within a commonly sampled population before assessing whether individual differences in demographic characteristics, NSSI lived experience, and participation experiences were associated with willingness to take part in future NSSI research.
METHODS: New Zealand university students (nā=ā3098) completed self-report measures of their NSSI, psychological distress, emotional dysregulation, experience of their participation in the current study, and willingness to participate in future NSSI research.
RESULTS: Most participants (78.2%) indicated that they were willing to take part in future NSSI research. Men, older participants, people with NSSI lived experience, and those with more frequent past-year NSSI were more likely to be willing to take part in future NSSI research. Participants who reported a more positive subjective experience of the current study also indicated greater willingness.
CONCLUSIONS: Findings demonstrate systematic differences in who is willing to take part in NSSI research. Future research should implement methodological and statistical approaches to mitigate the impact of self-selection bias on NSSI research.
Description
Keywords
Research participation, study recruitment, volunteer bias
Citation
Robinson K, Dayer KF, Mirichlis S, Hasking PA, Wilson MS. (2023). Who are we missing? Self-selection bias in nonsuicidal self-injury research.. Suicide Life Threat Behav. 53. 5. (pp. 843-852).