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Validation of "creactability" scale in football: a Rasch modeling approach.

Jhinyi Shin¹, Jongwon Kim², Miyoung Lee³

¹Department of Physical Education, Chonnam National University, Gwangju, Republic of Korea.

Frontiers in Sports and Active Living

|September 11, 2025

Summary

This study validated the "creactability" scale for athletes using Rasch analysis, confirming its unidimensionality and suitability for measuring quickness, creativity, and adaptability in football players.

Keywords:

adaptability athlete creativity item response theory quickness

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Area of Science:

Sports Science
Psychometrics
Athletic Performance Measurement

Background:

Assessing athlete attributes like quickness, creativity, and adaptability is crucial for performance.
The
creactability
scale requires validation for its use in sports.
Rasch modeling provides a robust framework for evaluating measurement properties.

Purpose of the Study:

To evaluate the construct-related validity of the
creactability
scale in athletes using Rasch analysis.
To confirm unidimensionality, assess Differential Item Functioning (DIF) based on team rank, evaluate item difficulty and ability ranges, and analyze subscale differences.

Main Methods:

Rasch analysis was applied to data from 241 football players in the K-League.
The
creactability
scale comprises 9 items across quickness, creativity, and adaptability, using a 7-point Likert scale.
Statistical software (WINSTEPS, FACETS) was utilized for analysis.

Main Results:

The study confirmed the unidimensionality of the 9-item scale with acceptable infit/outfit values (0.7-1.3).
No statistically significant DIF was found across team rankings.
The Person Separation Index (PSI) of 4 indicated good reliability for measuring
creactability
levels, with satisfactory fit across subscales and respondents.

Conclusions:

The
creactability
scale demonstrates strong psychometric properties for measuring athlete attributes.
The findings support the scale's validity and reliability for use in football and potentially other sports.
The scale's ability to assess changes in quickness, creativity, and adaptability is confirmed.