TY - JOUR
T1 - Psychometric properties of the greek exercise imagery Questionnaire-Aerobic Version
AU - Daskalaki, Katerina
AU - Stefanakis, Manos
AU - Hadjisavvas, Stelios
AU - Efstathiou, Michalis
AU - Malliou, Paraskevi
N1 - Publisher Copyright:
© JPES.
PY - 2024/12
Y1 - 2024/12
N2 - Background: The Exercise Imagery Questionnaire-Aerobic Version (EIQ-AV) is a widely used tool for assessing exercise imagery (EI) and has considerably influenced EI research. Although it has been translated into Greek, its psychometric properties remain unevaluated, limiting its applicability for studying EI in the Greek population. This study aimed to evaluate the construct validity (encompassing factorial, convergent, and known-groups validity), criterion validity (specifically concurrent validity), and reliability of the Greek EIQ-AV. Materials and Methods: A total of 221 exercisers completed the Greek EIQ-AV, the Godin–Shephard Leisure–Time Exercise Questionnaire (GLTEQ), and a questionnaire on demographic and exercise-related characteristics. Data from 108 participants were analyzed using principal component analysis (PCA), 113 were used for confirmatory factor analysis (CFA), and the full sample was used to assess known-groups and concurrent validity. Results: After testing various models based on prior theory and PCA results, we concluded to the final Greek EIQ-AV. Similar to the English version, it comprises three factors: “energy”, “appearance”, and “technique”, differing only by the removal of one item. Factorial validity was confirmed using CFA, demonstrating an excellent model fit, with most fit indices—such as the Standardized Root Mean Square Residual, Comparative Fit Index, and Tucker–Lewis Index—showing excellent values. Convergent validity was supported by acceptable results (AVE > 0.5). Known-groups validity was confirmed because younger, more frequent, and more active exercisers reported significantly higher use of all EI types compared to older, less frequent, and less active exercisers. Additionally, all EIQ-AV subscale scores showed positive correlations with strenuous exercise and the total GLTEQ score and negative associations with age, supporting concurrent validity. Furthermore, the Greek EIQ-AV demonstrated adequate internal consistency and composite reliability. Conclusions: The Greek EIQ-AV demonstrates strong psychometric properties and is expected to advance knowledge in EI research.
AB - Background: The Exercise Imagery Questionnaire-Aerobic Version (EIQ-AV) is a widely used tool for assessing exercise imagery (EI) and has considerably influenced EI research. Although it has been translated into Greek, its psychometric properties remain unevaluated, limiting its applicability for studying EI in the Greek population. This study aimed to evaluate the construct validity (encompassing factorial, convergent, and known-groups validity), criterion validity (specifically concurrent validity), and reliability of the Greek EIQ-AV. Materials and Methods: A total of 221 exercisers completed the Greek EIQ-AV, the Godin–Shephard Leisure–Time Exercise Questionnaire (GLTEQ), and a questionnaire on demographic and exercise-related characteristics. Data from 108 participants were analyzed using principal component analysis (PCA), 113 were used for confirmatory factor analysis (CFA), and the full sample was used to assess known-groups and concurrent validity. Results: After testing various models based on prior theory and PCA results, we concluded to the final Greek EIQ-AV. Similar to the English version, it comprises three factors: “energy”, “appearance”, and “technique”, differing only by the removal of one item. Factorial validity was confirmed using CFA, demonstrating an excellent model fit, with most fit indices—such as the Standardized Root Mean Square Residual, Comparative Fit Index, and Tucker–Lewis Index—showing excellent values. Convergent validity was supported by acceptable results (AVE > 0.5). Known-groups validity was confirmed because younger, more frequent, and more active exercisers reported significantly higher use of all EI types compared to older, less frequent, and less active exercisers. Additionally, all EIQ-AV subscale scores showed positive correlations with strenuous exercise and the total GLTEQ score and negative associations with age, supporting concurrent validity. Furthermore, the Greek EIQ-AV demonstrated adequate internal consistency and composite reliability. Conclusions: The Greek EIQ-AV demonstrates strong psychometric properties and is expected to advance knowledge in EI research.
KW - appearance imagery Introduction
KW - mental imagery
KW - reliability
KW - technique
KW - Validity
UR - http://www.scopus.com/inward/record.url?scp=85214974665&partnerID=8YFLogxK
U2 - 10.7752/jpes.2024.12311
DO - 10.7752/jpes.2024.12311
M3 - Article
AN - SCOPUS:85214974665
SN - 2247-8051
VL - 24
SP - 2126
EP - 2138
JO - Journal of Physical Education and Sport
JF - Journal of Physical Education and Sport
IS - 12
M1 - 311
ER -