Factor-analytic methods of scale development in personality and clinical psychology
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A minimum sample of 200 participants is required for the present study, given that the longest scale consists of 20 items.
“Given that the longest scale in the present study consists of 20 items (SOCS-S/SOCS-O), a minimum sample of 200 participants is required.”
From Validation of the compassionate engagement and action scales, compassion scale, and Sussex-Oxford compassion scales in a French-Canadian sample (2024) · cites this paper as [73]
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“The same N is also proposed by Comrey (1988) as generally adequate for a measure having up to 40 items. A sample of 300 cases has also been suggested (Tabachnick & Fidell, 2013). Comrey and Lee (1992); and Comrey et al., 1973) graded a factor analysis sample of 50 as very poor, 100 as poor, 200 as fair, 300 as good, 5…”
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- Authors
- Comrey, A. L.
- Corresponding author
- Comrey, Andrew L.
- Venue
- Journal of Consulting and Clinical Psychology
- Published
- 1988
- Volume
- 56
- Issue
- 5
- Pages
- 754-761
- ISSN
- 0022-006X (ISSN-L)
- 1939-2117
- OpenAlex
- W4240922193
- Cited by
- 1,154
- References
- 0
- Citations by year
- 2026: 36 · 2025: 60 · 2024: 59 · 2023: 74 · 2022: 56 · 2021: 50 · 2020: 83 · 2019: 43 · 2018: 42 · 2017: 30 · 2016: 29 · 2015: 46 · 2014: 34 · 2013: 34 · 2012: 30
- FWCI
- 14.92
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Consulting and Clinical Psychology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Social Sciences › Decision Sciences › Management Science and Operations Research › Psychometric Methodologies and Testing
- Social Sciences › Psychology › Applied Psychology › Psychological Testing and Assessment
- Social Sciences › Psychology › Clinical Psychology › Personality Traits and Psychology
- Keywords
- factor analysis, scale development, personality assessment, clinical psychology, psychometric scale
- MeSH terms
- Factor Analysis, Statistical, Humans, Personality Inventory, Psychometrics
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