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Mammarella, Irene Cristina; Lucangeli, Daniela; Cornoldi, Cesare – Journal of Learning Disabilities, 2010
Visuospatial working memory and its involvement in arithmetic were examined in two groups of 7- to 11-year-olds: one comprising children described by teachers as displaying symptoms of nonverbal learning difficulties (N = 21), the other a control group without learning disabilities (N = 21). The two groups were matched for verbal abilities, age,…
Descriptors: Control Groups, Learning Problems, Learning Disabilities, Nonverbal Learning
Romberg, Thomas A.; And Others – 1970
Presented is the task analysis for "Developing Mathematical Processes, Arithmetic, Book 1: Comparing and Equalizing Objects and Sets." This task analysis consists of identifying the behavioral objectives necessary for comparing and equalizing objects and sets and arranging them in a logical sequence for instruction. The 52 items in this task…
Descriptors: Arithmetic, Behavioral Objectives, Curriculum Guides, Elementary School Mathematics