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논문 기본 정보

자료유형
학술저널
저자정보
Shuxun Chi (Khon Kaen University) Manida Swangnetr Neubert (Khon Kaen University) Orawan Buranruk (Khon Kaen University) Weerawat Limroongreungrat (Mahidol University) Wichai Eungpinichpong (Khon Kaen University) Rungthip Puntumetakul (Khon Kaen University)
저널정보
대한산업공학회 Industrial Engineering & Management Systems Industrial Engineering & Management Systems Vol.18 No.4
발행연도
2019.12
수록면
701 - 709 (9page)
DOI
10.7232/iems.2019.18.4.701

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초록· 키워드

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Memory search performance is commonly required in many daily life and professional careers. Sternberg Memory Search Task (MST) is originally designed to test working memory (WM) retrieval function. However, in different scenarios, memorizing a string of letters (i.e., stimulus items in original (MST) may not be able to represent the real task characteristics, in this case for a specific soccer player population. Therefore, a modified MST was designed based on literature review and interview with soccer players. With the same numbers of WM requirements with the original MST, the modified MST was designed to adopt numeric (player numbers) and color codes (team uniform) as stimuli. The objective of this study was to preliminarily compare subjective workload perception during the original and modified MST performance. Seven healthy male university students (average age of 30.7±8.0 years) were recruited to participate in this study. All participants were asked to perform both the original and modified MST including low and high workload intensity conditions. All subjective workload scores were collected by using NASA-Task Load Index (NASA-TLX). In general, the results showed increase in workload intensity to induce higher workload perception for both test conditions. Mental Demands and Effort contributed as major demanding components of this cognitive task type. Although overall workload of both tests was comparable, subscale workload scores of the modified MST found to be lower than the original MST. The findings suggested that the modified MST can be used to test similar demanding workload component target, as compared with the original MST. However, since different types of symbolic information posed different levels of mental workload perception, the task stimuli should be carefully designed to represent actual characteristics of the task of interest.

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ABSTRACT
1. INTRODUCTION
2. METHODS
3. RESULTS AND DISCUSSION
4. CONCLUSION AND RECCOMMENDATION
REFERENCES

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