DUAL-TASK RESULTS AND THE LATERALIZATION OF SPATIAL ORIENTATION - ARTIFACT OF TEST SELECTION

An investigation was conducted to identify the degree to which results regarding the lateralization of spatial orientation among men and wom en are artifacts of test selection. A dual-task design was used to stu dy possible lateralization differences, providing baseline and dual-ta sk measures of spatial-orientation performance, right-and left-hand ta pping, and vocalization of ''cat, dog, horse.'' The Guilford-Zimmerman Test (Guilford & Zimmerman, 1953), the Eliot-Price Test (Eliot & Pric e, 1976), and the Stumpf-Fay Cube Perspectives Test (Stumpf & Fay, 198 3) were the three spatial orientation tests used to investigate possib le artifacts of test selection. Twenty-eight right-handed male and 39 right-handed female undergraduates completed random baseline and dual- task sessions. Analyses indicated no significant sex-related differenc es in spatial-orientation ability for all three tests. Furthermore, th ere was no evidence of differential lateralization of spatial orientat ion between the sexes.