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1 Documentos relacionados
1 Documentos relacionados
Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
oai:minerva.usc.gal:10347/22199
Artículo científico (article). 2018
FACTOR STRUCTURE OF MOOD OVER TIME FRAMES AND CIRCUMSTANCES OF MEASUREMENT: TWO STUDIES ON THE PROFILE OF MOOD STATES QUESTIONNAIRE
Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
- Andrade Fernández, Elena
- Rodríguez Salgado, Dolores
This paper presents the results of two studies on the invariance of the Profile of Mood States
questionnaire across response time frames and circumstances of administration. We
applied Spanish versions of the instrument to gather data from 1146 athletes. In the first
study (N = 700), we tested the factor structure of the questionnaire in training sessions by
using two different time frames: ‘right now’ (n = 350) and ‘past week’ (n = 350). In the second
study (N = 446), we compared the factor structure of the questionnaire with data collected
using the instruction ‘right now’ at two different circumstances: ‘training’ (n = 223) and ‘competition’ (n = 223). Data analysis was similar in both studies. We conducted multi-group confirmatory factor analyses and applied the scaled difference chi-square statistic to examine
whether discrepancies in successive constrained models were significant. We observed
configural equivalence between the two time frames. Furthermore, we observed metric
equivalence but not scalar invariance between the different circumstances of measurement.
The findings highlight the need for studies of equivalence before using a single self-report
with more than one set of instructions, or under diverse circumstances. Invariance of mood
scores should be examined and taken into account when interpreting individual and group
mood state assessments
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