Cross-Cultural Validation of the Assessment of Motor and Process Skills (AMPS)

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Abstract
The purpose of this study was to verify the assertion that underlying motor and process skill items and tasks defined in the Assessment of Motor and Process Skills (AMPS) are cross-culturally free from bias between North America, Scandinavia and the United Kingdom. Using many-faceted Rasch analysis, the hierarchical order of AMPS motor and process skill items and culture-general tasks were compared in order to test the assertion of bias-free assessment across regions. The unidimensionality of the AMPS motor and process skills and tasks through evaluation of their goodness-of-fit to the Rasch model was also investigated. The results revealed that the hierarchical order of all the AMPS motor and process skill items and culture-general tasks remained stable among the three regions examined, verifying cross-cultural freedom from bias of the skill items and tasks between these regions. All items in North America met the criteria for goodness-of-fit on both the motor and the process scales of the AMPS, while only 4% of the items failed to meet these expectations in Scandinavia and the United Kingdom. It was concluded that the AMPS motor and process scales and tasks are unidimensional, demonstrating internal scale validity.

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