Subjects were given three trials to speak and to write as fast as they could both the alphabet and a set of two-digit numbers. The speed or oral responding was approximately 6 syllables per second for letters and 7 syllables per second for digits. The speed for writing was approximately 2 items per second for both digits and letters. Correlations…

This study examined the effects of socio-economic status (SES) and categories of learning when holding ethnicity constant. Seventy-two subjects were randomly selected from two socioeconomic levels; 36 each from middle and low socioeconomic status. Fourth and fifth grade children were used. Three hypotheses were tested: (1) positive correlations…

This paper reports on a study concerned with rapid mental operations of the central processor as it performs tasks such as the comparison of rotated figures, mental arithmetic, sentence verification, and memory scanning. The central processor is the site of most of the symbol manipulation that takes place in the human information processing…

This study was designed to examine the effects of auditory memory, visual memory, and vocabulary knowledge on intramodal and intermodal delayed matching-to-sample tasks. A secondary objective was to assess the value of task performance and trait measures in predicting reading achievement. A total of 52 first graders were randomly selected as…