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Validity evidence of the specific pictorial scale of perceived exertion for football players - GOL Scale: The pictorial scale to measure the perceived exertion in sport
Stockholm University, Faculty of Social Sciences, Department of Psychology, Perception and psychophysics.
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2018 (English)In: Fechner Day 2018: Proceedings of the 34th Annual Meeting of the International Society for Psychophysics / [ed] Friedrich Müller, Lara Ludwigs, Malizia Kupper, International Society for Psychophysics , 2018, p. 50-55Conference paper, Published paper (Other academic)
Abstract [en]

Despite the methods usually used for ratings of perceived exertion to estimate the internal training load and monitoring the exercise, few instruments have been developed and validated for specific sports using just pictorial anchors. This study aimed: (1) to suggest one specific theoretical model to elaborate a pictorial scale; (2) to analyze the evidences of validation of a scale for football players named GOL Scale. In the first phase of the development the cartoons of the scale were drawn based on the theoretical construction of perceived exertion. The final version of the scale is composed by six cartoons which show different grades of effort. To ensure the representativeness of the cartoons they were validated by nine judges from seven different research lines in Sports Science. In the second phase, thirteen male football players were evaluated by a three-minute progressive protocol up to voluntary exhaustion with a one-minute recovery between stages (Maximal Cardiopulmonary Effort Test – MCET), and by Yo-Yo Intermittent Recovery Test – Level 1. The Borg RPE Scale (6-20), The Cavasini Scale, The cartoon GOL Scale, Heart Rate (HR), Percentage of Heart Rate (%HR) and Blood Lactate Concentration ([La]) were immediately determined after each stage of both tests. The level of significance was 0.05. In the MCET, significant correlation between the GOL Scale and RPE 6 – 20 Borg Scale (r = 0.92), Cavasini Scale (r = 0.93), %HR (r = 0.86), HR (r = 0.80), and blood lactate (r = 0.58) were found, whereas during Yo-Yo Test, significant correlation between the GOL Scale and Borg RPE Scale (r = 0.93), Cavasini Scale (r = 0.93), %HR (r = 0.82), HR (r = 0.80), and Blood Lactate (r = 0.77) were found. These results showed that the GOL Scale is a promissory instrument to measure perceived exertion, without the translation problems commonly found in the verbal scales.

Place, publisher, year, edition, pages
International Society for Psychophysics , 2018. p. 50-55
Series
Proceedings of Fechner Day ; 34
Keywords [en]
pictorial scale, perceived exertion, GOL Scale, sport, football
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-163763OAI: oai:DiVA.org:su-163763DiVA, id: diva2:1276508
Conference
Fechner Day 2018: 34th Annual Meeting of the International Society for Psychophysics, Lüneburg, Germany, August 20-24, 2018
Available from: 2019-01-08 Created: 2019-01-08 Last updated: 2019-06-26

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