Trait-like stability of selfhood triumvirate and its constituent aspects: A qEEG intra-individual test–retest reliability study

Key Points

• Selfhood aspects show significant reliability in test-retest measures, supporting their trait-like stability.
• The qEEG method effectively validates the intra-individual consistency across the selfhood triad over time.
• Assessment utilized a detailed intra-individual reliability approach, emphasizing the stability of selfhood traits.
• Findings underline the importance of measuring selfhood aspects reliably, indicating potential implications for psychological assessments.