Changes in tactical performance and self-efficacy on young female basketball players

Leonardi, Thiago José; Martins, Mônica Cristina Starapoli; Gonçalves, Carlos Eduardo de Barros; Paes, Roberto Rodrigues; Carvalho, Humberto Jorge Gonçalves Moreira de

doi:10.1590/1980-0037.2019v21e60180

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Revista Brasileira de Cineantropometria & Desempenho Humano

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Original article • Rev. bras. cineantropom. desempenho hum 21 • 2019 • https://doi.org/10.1590/1980-0037.2019v21e60180 copy

Changes in tactical performance and self-efficacy on young female basketball players

Variações na performance tática e na autoeficácia de jovens meninas atletas de basquetebol

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The present study examined changes in tactical performance and self-efficacy amongyoung female basketball players across a 4-months competitive season. Repeated measures preand post a 4-month season in 30 young female basketball players (11.4 to 14.7 years-old) was considered. We applied the Self-Efficacy General Scale and examined tactical performance in a standardized 3 vs 3 exercise in half court. The 3 vs 3 exercise was analysed using Game Performance Assessment Instrument (GPAI) and Team Sport Assessment Procedure (TSAP).We examined changes in tactical performance and self-efficacy using multilevel modelling.Theresults showed that changes of Self-Efficacy scores were not influenced by 4 months of training across competition period, chronological age and years of sport participation, the changes of TSAP performance was influenced only by years of sport participation, and the changes of GPAI performance was influenced only by the period of training and competition games.

Key words
Adolescent; Sports; Statistical analysis

		All sample (n=30)	U13 (n=15)	U15 (n=15)
Chronological age, years		13.3 (13.1 to 13.6)	12.6 (12.4 to 12.98	14.0 (13.8 to 14.2)
Age of menarche, years^a a based on 27 players as 3 players had not attained menarche.		11.3 (11.0 to 11.7)	10.7 (10.3 to 11.2)	11.8 (11.4 to 12.3)
Years of sport experience, years		2.6 (2.2 to 3.0)	2.6 (2.1 to 3.0)	2.7 (2.2 to 3.1)
TSAP^b b Team Performance Assessment Instrument. , #		16.5 (15.1 to 17.9)	16.4 (14.5 to 18.1)	16.6 (14.9 to 18.3)
GPAI^c c Game Performance Assessment Instrument. , #		0.54 (0.53 to 0.56)	0.53 (0.52 to 0.56)	0.55 (0.53 to 0.58)
Self-efficacy
	Initiative^d d lower scores indicate higher self-efficacy in these factors.	1.56 (1.40 to 1.73)	1.49 (1.26 to 1.7)	1.63 (1.42 to 1.85)
	Effort	4.18 (4.09 to 4.29)	4.18 (4.01 to 4.30)	4.19 (4.07 to 4.31)
	Persistence^d d lower scores indicate higher self-efficacy in these factors.	2.47 (2.29 to 2.64)	2.54 (2.33 to 2.78)	2.39 (2.14 to 2.62)
	Self-efficacy score	10.2 (9.82 to 10.5)	10.1 (9.8 to 10.5)	10.2 (9.8 to 10.6)

			Self-efficacy			Tactical Performance
		Initiative	Effort	Persistence	Self-efficacy	GPAI^a a Team Performance Assessment Instrument.	TSAP^b b Game Performance Assessment Instrument.
		Initiative	Effort	Persistence	score	GPAI^a a Team Performance Assessment Instrument.	TSAP^b b Game Performance Assessment Instrument.
Population-level effects (95% credible intervals)
Intercept		1.49 (1.25 to 1.72)	4.10 (3.97 to 4.23)	2.50 (2.25 to 2.75)	10.1 (9.6 to 10.6)	0.53 (0.51 to 0.55)	16.90 (14.84 to 18.96)
Change after		0.15 (-0.17 to 0.47)	0.16 (-0.03 to 0.35)	-0.06 (-0.38 to 0.26)	0.1 (-0.6 to 0.8)	0.02 (0.00 to 0.04)	-1.60 (-4.25 to 1.00)
4-months
Group-level effects (95% credible intervals)
Level 1 standard		0.63 (0.51 to 0.77)	0.30 (0.16 to 0.42)	0.62 (0.48 to 0.77)	1.2 (0.9 to 1.6)	0.04 (0.03 to 0.05)	5.00 (3.68 to 6.45)
deviation
Level 2 standard
deviation
Intercept		0.16 (0.01 to 0.40)	0.15 (0.01 to 0.33)	0.28 (0.02 to 0.55)	0.5 (0.0 to 1.1)	0.04 (0.03 to 0.06)	2.15 (0.06 to 4.79)
	Change after	-	0.28 (0.02 to 0.52)	-	0.5 (0.0 to 1.3)	-	-
4-months		-	0.28 (0.02 to 0.52)	-	0.5 (0.0 to 1.3)	-	-

Tactical Performance
		GPAI^a a Team Performance Assessment Instrument	TSAP^b b Game Performance Assessment Instrument
Population-level effects (95% credible intervals)
	Intercept	-0.18 (-0.57 to 0.19)	0.16 (-0.19 to 0.54)
	Change after 4-months	0.36 (-0.04 to 0.73)	-0.32 (-0.76 to 0.14)
	Chronological age	0.08 (-0.24 to 0.41)	0.08 (-0.23 to 0.37)
	Years of experience	0.18 (-0.13 to 0.50)	0.29 (0.00 to 0.59)
	Self-efficacy	0.15 (-0.07 to 0.37)	0.09 (-0.16 to 0.34)
Group-level effects (95% credible intervals)
Level 1 standard deviation		0.04 (0.03 to 0.05)	0.85 (0.66 to 1.10)
Level 2 standard deviation
	Intercept	0.04 (0.03 to 0.06)	0.46 (0.04 to 0.85)

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[1] Corresponding authorThiago José LeonardiSchool of Physical Education, Physiotherapy and DanceFederal University of Rio Grande do Sul750 Felizardo Street, Porto Alegre, RS90690-200, BrazilE-mail: thiago.leonardi@ufrgs.br