This investigation gives attention to the developmental course and influence of social class on self-directed, private speech. The Ss were 108 white, middle and lower class pre-school, first and third grade children. Two measures of receptive vocabulary were administered as background language measures. The experimental task required S to sort…

This guide to a total developmental language program for kindergarten is divided into three sections: (1) Helpful Hints to the Teacher, (2) Expanding Verbal Power, and (3) Linking Language and Thought. Subjects in Section 2 include hearing and speaking clearly, increasing vocabulary, extending meaning, expanding language patterns, conveying ideas,…