1. Expertise, private speech, and the development of self-regulation;Azmitia,1992
2. Nature and instrumental function on private speech in problem solving situations;Beaudichon;Merrill-Palmer Quarterly,1973
3. A new look at children’s private speech: The effects of age, task difficulty, and parent presence;Behrend;International Journal of Behavioral Development,1989
4. Relationship to elementary school children’s private speech to behavioral accompaniment to task, attention, and task performance;Berk;Developmental Psychology,1986
5. Children’s private speech: An overview of theory and the status of research;Berk,1992