Psychometric properties and validation of the Polish adaptation of the Trait Sport-Confidence Inventory (TSCI-PL)

Zuzanna Gazdowska , Dariusz Parzelski , Robin Vealey


The purpose of the study was to validate and adapt the Trait Sport-Confidence Inventory (TSCI-PL) for use in Poland. Robin Vealey created the original tool (TSCI), which consisted of 13 self-assessment items. The phases of the adaptation procedures are described in this paper. 353 amateur and professional Polish athletes took part in the study. The participants filled in the TSCI-PL, SSCQ-PL and MSEI questionnaires as well as a short demographic survey. Reliability of the TSCI-PL as well as the discriminatory power of the items turned out to be high. The internal validity of the TSCI-PL was confirmed using confirmatory factor analysis, as a single factor model of TSCI-PL was well matched to the data. The criterion validity of the TSCI-PL was confirmed, based on numerous correlations with SSCQ-PL and MSEI scales. Moreover, no significant correlation or difference regarding age and gender has been noted. Results confirmed satisfactory psychometric properties of the Polish adaptation of TSCI-PL. Therefore, the tool is ready for use among Polish sport psychologists
Author Zuzanna Gazdowska (Wydział Psychologii)
Zuzanna Gazdowska,,
- Wydział Psychologii
, Dariusz Parzelski (Wydział Psychologii)
Dariusz Parzelski,,
- Wydział Psychologii
, Robin Vealey
Robin Vealey,,
Journal seriesBaltic Journal of Health and Physical Activity, ISSN 2080-1297, e-ISSN 2080-9999, (B 11 pkt)
Issue year2017
Publication size in sheets0.5
Keywords in Englishtrait sport-confidence, self-confidence, self-esteem, adaptation, psychometric properties
Languageen angielski
Psychometric properties and.pdf 503.19 KB
Additional file
Oswiadczenie_D.Parzelski_publ. 2.pdf 22.21 KB
Score (nominal)11
ScoreMinisterial score = 11.0, 15-10-2019, ArticleFromJournal
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