Rethinking Factor Loading Thresholds: A Case for a Strict λ >= .70 Rule
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
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2026
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| _version_ | 1866914555318239232 |
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| author | Yaslioglu, M. Murat Yaslioglu, Duygu Toplu |
| author_facet | Yaslioglu, M. Murat Yaslioglu, Duygu Toplu |
| contents | This paper challenges the prevailing practice of accepting standardized factor loadings as low as .50 in confirmatory factor analysis. Drawing on the logic of Average Variance Extracted (AVE) and communality, the author argues for a stricter item level threshold: only indicators with loadings of λ >= .70 (implying λsq >= .50) should be retained in final measurement models. The rationale is that indicators with λ < .70 contain more error than explained variance, undermining both construct validity and the stability of factor solutions. The paper reviews theoretical foundations, simulation evidence, and implications for structural equation modeling, showing that weak loadings degrade measurement quality, factor score determinacy, and model fit. Adopting a minimum λ >= .70 rule aligns item level standards with established construct level criteria and enhances the rigor and interpretability of latent variable models. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_11044 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Rethinking Factor Loading Thresholds: A Case for a Strict λ >= .70 Rule Yaslioglu, M. Murat Yaslioglu, Duygu Toplu Methodology Applications This paper challenges the prevailing practice of accepting standardized factor loadings as low as .50 in confirmatory factor analysis. Drawing on the logic of Average Variance Extracted (AVE) and communality, the author argues for a stricter item level threshold: only indicators with loadings of λ >= .70 (implying λsq >= .50) should be retained in final measurement models. The rationale is that indicators with λ < .70 contain more error than explained variance, undermining both construct validity and the stability of factor solutions. The paper reviews theoretical foundations, simulation evidence, and implications for structural equation modeling, showing that weak loadings degrade measurement quality, factor score determinacy, and model fit. Adopting a minimum λ >= .70 rule aligns item level standards with established construct level criteria and enhances the rigor and interpretability of latent variable models. |
| title | Rethinking Factor Loading Thresholds: A Case for a Strict λ >= .70 Rule |
| topic | Methodology Applications |
| url | https://arxiv.org/abs/2605.11044 |