Testing of a group of kindergarten children generally supported the hypotheses that (1) children from schools in higher socioeconomic areas would have significantly more advanced concepts of language than children in lower socioeconomic areas and (2) that this conceptual development would be correlated with more conventional measures of reading…

In learning the skills of reading and writing, it seems most probable that the child has to become aware of certain aspects of spoken language which he has not previously perceived. Although the child is capable of saying and hearing words and can easily tell them apart from other words, to spell them phonically he must understand the concept of…