Thought and language become increasingly interdependent in the first few years, with private speech evolving into inner speech as self-regulation¶

Claim · All claims
Evidence · 1 study · theoretical r2 · q1
Currency · newest study 2012 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2017: baselines and conditions change
Evidence quality · No study behind this claim is a peer-reviewed article with a DOI: it rests on an ERIC document (a report, conference paper or thesis). It is kept because 2 design pages cite it; treat it as a lead to check, not an established finding.

Subclaims¶

q1 i? According to the account presented, until about age 2 thoughts and language are separate; around age 2 children begin to express thoughts in speech; private speech emerges to guide children through difficult tasks and evolves into inner speech, a form of self-regulation. → Costley 2012

Evidence¶

Costley 2012¶

Costley, K. C. (2012). An Overview of the Life, Central Concepts, Including Classroom Applications of Lev Vygotsky. https://eric.ed.gov/?id=ED529565

q1 · i? · theoretical · r2

This is a descriptive exposition in the article's summary of Vygotsky's concepts, sourced from Ormrod's Human Learning textbook rather than new empirical data. The article states that "self-talk" or "private speech" occurs when thought and language merge, and that self-talk evolves into inner speech, a form of self-regulation. No empirical study or effect size is reported.

"When thought and language merge "self-talk" or "private speech" occurs, children begin talk to themselves, guiding and directing themselves through difficult tasks for which an adult has previously guided them through."

Discussion¶

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