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Construct Validation of a New Instrument to Measure Declarative Tactical Knowledge in Basketball.

Cleiton Pereira Reis1, Juan Carlos Pérez Morales1, Cristiano Mauro Assis Gomes1

  • 1Departament of Sports, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.

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Summary

This study validates the Instrument for Measuring Declarative Tactical Knowledge in Basketball (IMDTK-Bb). The IMDTK-Bb demonstrates good construct validity and reliability for assessing basketball players' tactical knowledge.

Keywords:
cognitiondecision-makingperception

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Area of Science:

  • Sports Science
  • Motor Learning
  • Educational Psychology

Background:

  • Assessing declarative tactical knowledge is crucial for basketball player development.
  • Existing tools may not adequately capture the nuances of tactical decision-making in basketball.

Purpose of the Study:

  • To verify the construct validity and reliability of the Instrument for Measuring Declarative Tactical Knowledge in Basketball (IMDTK-Bb).
  • To establish a psychometrically sound instrument for evaluating basketball players' tactical understanding.

Main Methods:

  • Confirmatory factor analysis (CFA) with weighted least squares mean and variance estimator (WLSMV) for construct validation.
  • MacDonald's omega for internal consistency analysis.
  • Recruitment of 1,188 male basketball athletes aged 10-19 years.

Main Results:

  • A final model comprising 17 scenes representing declarative tactical knowledge and action types was established.
  • Excellent model fit indices were achieved: CFI=1.000, TLI=1.001, RMSEA=0.000.
  • A reliability index of .779 was obtained, indicating good internal consistency.

Conclusions:

  • The Instrument for Measuring Declarative Tactical Knowledge in Basketball (IMDTK-Bb) exhibits strong construct validity and reliability.
  • The IMDTK-Bb is suitable for use in future research and practical applications in basketball coaching and education.