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Moon, Jerald B.; And Others – Journal of Speech and Hearing Research, 1993
Twenty-five normal young adult speakers tracked sinusoidal and unpredictable target signals using lower lip and jaw movement and fundamental frequency modulation. Tracking accuracy varied as a function of target frequency and articulator used to track. Results show the potential of visuomotor tracking tasks in the assessment of speech articulatory…
Descriptors: Articulation (Speech), Performance Factors, Psychomotor Skills, Speech
Fleming, Vicki – 1988
Tracing the history of algebra within the U.S. secondary curriculum requires at the same time a review of the various reform movements relevant to secondary education, an acknowledgement of the sociological, political, and psychological perspectives driving these reforms, and most importantly, the perceived role of mathematics in the education of…
Descriptors: Algebra, Curriculum Development, Educational Research, Educational Theories