The effects of advanced factor analysis approaches on outcomes in randomised trials for depression: protocol for secondary analysis of individual participant data
Background Modern psychometric methods make it possible to eliminate nonperforming items and reduce measurement error. Application of these methods to existing outcome measures can reduce variability in scores, and may increase treatment effect sizes in depression treatment trials. Aims We aim to d...
| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Cambridge University Press
2023-09-01
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| Series: | BJPsych Open |
| Subjects: | |
| Online Access: | https://www.cambridge.org/core/product/identifier/S2056472423005446/type/journal_article |