Supplementary file 1_Patterns of emotional expression during the formation of egocentric a

A case study by Lin Guo, uploaded in 2026, traces the development of emotional expression and egocentric awareness in a single two-year-old Mandarin-speaking child. The study uses naturalistic observation and discourse analysis to delineate developmental stages from affective monologue to affective dialogue. The dataset is a 119.8 KB PDF containing the research findings and analysis.

Use Cases

• Modeling the co-development of emotion and language based on described affective monologue and dialogue stages.
• Analyzing patterns of self-recognition and language awareness from naturalistic behavioral and linguistic data.
• Exploring the role of interpersonal feedback in cognitive development as described in the dialogue stage.

Strengths

• Data is grounded in authentic linguistic and behavioral observations from a real child.
• The study provides a detailed longitudinal case study of a specific developmental process.
• The 119.8 KB file is a complete, self-contained research document.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred from the PDF.
• The dataset's scope is limited to a single case study.

Provenance

Source

Lin Guo

Collection Method

Naturalistic observation and discourse analysis of a single child.

Freshness

Last updated 2026-04-20 04:13:20; freshness should be verified.

Geography

Likely China (Mandarin-speaking subject).