Évaluation psychométrique d'une version révisée de l'échelle d'appréciation du corps-2 destinée aux adultes autistes (BAS-2A)

Titre original en anglais : Psychometric evaluation of a revised version of the body appreciation scale-2 for autistic adults (BAS-2A)

Cette publication est incluse dans le projet « Contributions académiques de personnes autistes sur l’autisme ». un auteur·ice de cette publication est identifié·e comme autiste dans le projet.

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Longhurst, P., Todd, J., Aspell, J. E., & Swami, V. (2024). Psychometric evaluation of a revised version of the body appreciation scale-2 for autistic adults (BAS-2A). Body Image, 49, 101706. https://doi.org/10.1016/j.bodyim.2024.101706

Date de publication: 29/03/2024 Ajout dans AutiHub: 28/09/2026 Type: Article Langue de l’article: Anglais
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Auteurs

Auteur·ices des publications
4
Auteur·ices de la publication identifié·es comme autistes
1 / 4 (25,0 %)
  1. Phaedra Longhurst *
  2. Jennifer Todd
  3. Jane E. Aspell
  4. Viren Swami

Résumé

Des données émergentes indiquent des conceptualisations spécifiques de l'image corporelle positive chez les personnes autistes. Cependant, il n'existe actuellement aucune mesure de l'image corporelle positive ayant été développée ou validée pour une utilisation auprès d'adultes autistes. Afin d'y remédier, nous avons développé une version révisée de la BAS-2, la BAS-2A, et examiné sa validité factorielle et ses propriétés psychométriques dans un échantillon d'adultes autistes du Royaume-Uni. Sur la base des résultats de l'analyse factorielle exploratoire et de l'épuration de l'échelle, nous avons extrait un modèle unidimensionnel à 12 items des scores de la BAS-2A dans un premier sous-échantillon divisé (n = 273). L'analyse factorielle confirmatoire a soutenu le modèle unidimensionnel des scores de la BAS-2A dans un deuxième sous-échantillon divisé (n = 277). Les scores de la BAS-2A présentaient une fiabilité composite adéquate, une invariance de mesure selon l'identité de genre et des profils de validité de construit. Chez les femmes comme chez les hommes, les scores de la BAS-2A étaient positivement corrélés à l'estime de soi, au bien-être, à la qualité de vie et à l'adaptation adaptative, et inversement corrélés à la restriction alimentaire, à la surévaluation du poids/de la silhouette, à l'insatisfaction corporelle et à la dépression. Enfin, les scores de la BAS-2A ont démontré une validité incrémentielle, prédisant l'estime de soi au-delà de l'insatisfaction corporelle. Cependant, la stabilité temporelle de la BAS-2A sur trois semaines n'a pas été confirmée. Ces résultats soutiennent la BAS-2A en tant que mesure psychométriquement robuste de l'appréciation du corps, utilisable auprès d'adultes autistes du Royaume-Uni.

Emerging evidence points to unique conceptualisations of positive body image in autistic individuals. However, there are no existing measures of positive body image that have been developed or validated for use with autistic adults. To rectify this, we developed a revised version of the BAS-2 - the BAS-2A - and examined its factorial validity and psychometric properties in a sample of autistic adults from the United Kingdom. Based on the results of exploratory factor analysis and scale purification, we extracted a 12-item, unidimensional model of BAS-2A scores in a first split-subsample (n = 273). Confirmatory factor analysis supported the unidimensional model of BAS-2A scores in a second split-subsample (n = 277). BAS-2A scores presented adequate composite reliability, measurement invariance across gender identity, and patterns of construct validity. For both women and men, BAS-2A scores correlated positively with self-esteem, well-being, quality of life, and adaptive coping, and inversely with dietary restraint, weight/shape overvaluation, body dissatisfaction, and depression. Finally, BAS-2A scores demonstrated incremental validity, predicting self-esteem over-and-above body dissatisfaction. However, temporal stability of the BAS-2A over three weeks was not supported. These results support the BAS-2A as a psychometrically robust measure of body appreciation for use in autistic adults from the United Kingdom.

Bibliographie citée par cette référence

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Vue d’ensemble de la bibliographie citée

Ces indicateurs décrivent la bibliographie citée par cette publication. Un nom d’auteurice est compté chaque fois qu’il apparaît dans une référence citée : une même personne peut donc être comptée plusieurs fois. Les noms qui ne sont pas encore associés à un·e auteurice déjà présent·e dans AutiHub sont traités comme inconnus, pas comme non autistes. Dernier calcul : 02/10/2026 02:39.

Références citées
110
Avec un DOI
95
Sans DOI, à partir du texte brut de la bibliographie
14
13 / 110 (11,8 %) références citées comprennent au moins une personne identifiée comme autiste.
Références avec données à compléter
6 / 110 (5,5 %)
Références avec noms d’auteurices détectés
104 / 110 (94,5 %)
Sans nom d’auteurice détecté
6
Sans titre structuré
6
Sans identifiant stable
13
Références avec noms bruts d’auteurices restant à vérifier
6
Références avec problème de récupération des métadonnées externes
0
Ces indicateurs portent sur les références citées affichées sur cette page, après fusion des doublons techniques. Une référence sans DOI peut quand même soutenir les statistiques d’auteurices lorsqu’un titre et des noms d’auteurices sont disponibles.
Noms d’auteurices détectés dans la bibliographie citée
591
À partir du DOI ou de métadonnées externes
591
À partir du texte brut validé de la bibliographie
0
Noms bruts déjà validés
0
Noms bruts restant à vérifier
15
121 / 591 (20,5 %) noms sont associés à un·e auteurice déjà présent·e dans AutiHub. 470 / 591 (79,5 %) noms ne sont pas encore associés.
Noms associés à une personne identifiée comme autiste
26 / 591 (4,4 %)
Calculé sur l’ensemble des noms d’auteurices détectés dans la bibliographie citée. Parmi les noms associés à un·e auteurice déjà présent·e dans AutiHub : 26 / 121 (21,5 %). Personnes distinctes identifiées comme autistes : 15 / 535 (2,8 %).
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