Polish Adaptation And Validation Of The Physical Appearance Comparison Scale (Pacs) - An Analysis Among Young People In Late Adolescence In The Context Of Obesity.
Bibliographic record
Abstract
INTRODUCTION: The PACS scale is a tool which is widely used in foreign studies to evaluate the tendency towards appearance comparisons in social situations. People inclined to make such comparisons reveal a higher level of dissatisfaction with their body and a higher inclination towards problem eating. PURPOSE OF THE STUDY: The main purpose of the study was to adapt the PACS scale. A factor structure assessment and reliability analysis of the Polish version was carried out. The correlation between PACS and pubertal development indicators, the body mass index and psycho-social factors and eating behaviours were evaluated as part of the validity analysis. MATERIAL AND METHODS: The data were derived from the Internet-based study of problem eating behaviours conducted by the Institute of Mother and Child during the 2014/2015 school year. The analyses covered 1285 second grade upper secondary school students (47.2% boys). The mean age was 17.59 years (SD=0.39). An exploratory and confirmatory factor analysis of the PACS questionnaire was performed. Using the Kruskal-Wallis test or the Pearson's r correlation, the association between (PACSPL) and perceived pubertal timing, BMI, the body image (BIS), self-perception of body mass, self-esteem (RSES), self-esteem in social relations (SPPA-SSE), problem eating behaviours (TFEQ-13) were evaluated. The linear regression method was used to estimate the impact of PACS-PL on selected variables in the BMI groups in order to investigate of the moderation effect. RESULTS: The shortened 3-item Polish version of the scale (PACS-PL) was considered optimal. It is characterized by high reliability (Cronbach's α=0.868), and the main factor explains 79.1% of the variance of the scale results. The model also shows high values of fit indicators: χ2 = 1.144 (df=1, p=0.285), GFI=0.999, AGFI=0.996, CFI=1.000, NFI=0.999, TLI-1.000, RMSEA=0.011. Girls display a stronger tendency to compare their appearance with others. The PACS-PL scale demonstrates the expected correlations with developmental, psycho-social and behavioural factors, this correlation being stronger among girls. It was also shown that the PACS-PL index is a stronger predictor of dissatisfaction with the body and lower self-esteem in the group of obese adolescents. CONCLUSIONS: The Polish version of the scale, PACS-PL, is a reliable and valid tool for evaluating the tendency to compare one's appearance with others in late adolescence. The subject of social comparison ought to become an element of prevention activities associated with acceptance of one's body and selfesteem, especially among young people with excess body weight.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.008 |
| Meta-epidemiology (narrow) | 0.000 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".