To-date, little research has examined the association between forward and backward recall across other stimulus modalities (e.g., words, shapes). However, the process distinction does not appear to be visuospatial ability.Ībstract = "The correlation between Digit Span Forward (DSF) and Digit Span Backward (DSB) scores from the Wechsler scales is moderate (r ≈.50), but surprisingly small given the highly similar nature of the tests. The results suggest that there may be a process distinction that is unique to the recall of digits in forward and backward formats. Finally, visuospatial ability was not observed to relate to DSB uniquely (λ =.07 BF 01 = 8.65). The DSF and DSB factors were related moderately at r =.40. Based on a factor analysis, four factors were identified: visuospatial memory span, three-syllable word span, DSF, and DSB. Additionally, a mental rotation test was administered to the participants (N = 211). Consequently, the purpose of this investigation was to evaluate the factorial validity of forward and backward span across three stimulus modalities: single digits, three-syllable words, and visual shapes. Furthermore, some experimental research suggests that performance on verbal backward span may be affected differentially by visuospatial ability. The correlation between Digit Span Forward (DSF) and Digit Span Backward (DSB) scores from the Wechsler scales is moderate (r ≈.50), but surprisingly small given the highly similar nature of the tests.
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