Five-year old Joey exhibits several key indicators of emergent literacy development,but not all.His receptive and expressive language skills in the five subsystems of language are intact.He demonstrates phonological awareness,an age-appropriate lexicon and has a sense of story structure,but Joey does not recognize that print is read from left to right,he does not recognize sound-symbol correspondence and when given a pencil,he will scribble,but does not make any recognizable letters or numbers.Joey's area of weakness in literacy development is