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Table 3 Two-way ANOVA (sex × age) of beta coefficients for linear regression analysis of quarterly changes in performance of motor coordination tests by 10–12-year-olds

From: One-year developmental changes in motor coordination and tennis skills in 10–12-year-old male and female tennis players

Variable

Sex

10-year-olds

(Mean ± SD)

11-year-olds

(Mean ± SD)

12-year-olds

(Mean ± SD)

Effect

p-value

Effect

size (n2)

Post-hoc outcome

Simple reaction test

B

0.19 ± 0.46

0.29 ± 0.49

0.55 ± 0.19

Age

GR

Age × GR

< 0.01**

0.45

0.92

0.10

< 0.01

< 0.01

A12 > A10, A11

G

0.25 ± 0.50

0.38 ± 0.41

0.56 ± 0.28

Complex reaction test

B

0.28 ± 0.39

0.39 ± 0.69

0.51 ± 0.67

Age

GR

Age × GR

0.01*

0.03*

0.62

0.05

0.02

0.01

A12 > A10

G > B

G

0.35 ± 0.50

0.61 ± 0.60

0.77 ± 0.27

Spalding test

B

–0.91 ± 0.08

–0.84 ± 0.28

–0.68 ± 0.52

Age

GR

Age × GR

0.06

0.02*

0.58

0.03

0.03

0.01

B < G

G

–0.75 ± 0.04

–0.63 ± 0.54

–0.61 ± 9.48

Spider test

B

–0.46 ± 0.69

–0.74 ± 0.42

–0.69 ± 0.48

Age

GR

Age × GR

0.03*

0.65

0.27

0.04

< 0.01

0.01

A10 > A11

G

–0.54 ± 0.60

–0.77 ± 0.31

–0.61 ± 0.66

Hexagon jump test

B

–0.64 ± 0.51

–0.66 ± 0.47

–0.49 ± 0.55

Age

GR

Age × GR

0.20

0.60

0.88

0.01

< 0,01

< 0.01

 

G

–0.71 ± 0.40

–0.65 ± 0.48

–0.56 ± 0.62

Starosta’s test

B

0.80 ± 0.31

0.84 ± 0.20

0.58 ± 0.50

Age

GR

Age × GR

0.11

0.17

0.12

0.02

0.01

0.02

 

G

0.79 ± 0.17

0.70 ± 0.36

0.51 ± 0.56

Hand–eye test

B

0.45 ± 0.58

0.79 ± 0.28

0.77 ± 0.35

Age

GR

Age × GR

< 0.01**

0.47

0.15

0.06

< 0.01

0.02

A12 > A10

G

0.65 ± 0.51

0.68 ± 0.42

0.81 ± 0.24

Balance test

B

0.60 ± 0.55

0.50 ± 0.52

0.29 ± 0.59

Age

GR

Age × GR

0.11

0.03*

0.56

0.02

0.03

< 0.01

G > B

G

0.67 ± 0.50

0.70 ± 0.44

0.64 ± 0.47

Plate tapping test

B

–0.97 ± 0.02

–0.96 ± 0.03

–0.86 ± 0.33

Age

GR

Age × GR

0.01*

0.95

0.71

0.04

< 0.01

< 0.01

A11 < A12

G

–0.98 ± 0.03

–0.93 ± 0.14

–0.86 ± 0.32

Jump rope test

B

0.82 ± 0.10

0.88 ± 0.14

0.81 ± 0.22

Age

GR

Age × GR

0.02*

0.03*

0.02*

0.04

0.02

0.04

A10 > A12

B > G

G12 < B12, G10, B10, B11

G

0.90 ± 0.22

0.74 ± 0.36

0.59 ± 0.52

Wall game test

B

0.87 ± 0.11

0.90 ± 0.69

0.90 ± 0.09

Age

GR

Age × GR

0.37

0.65

0.38

0.01

< 0.01

0.01

 

G

0.88 ± 0.07

0.89 ± 0.60

0.88 ± 0.08

100-ball test

B

0.87 ± 0.10

0.85 ± 0.32

0.75 ± 0.21

Age

GR

Age × GR

0.27

0.81

0.04

0.01

< 0.01

0.04

G12 > B12

G

0.86 ± 0.08

0.75 ± 0.39

0.88 ± 0.10

  1. Abbreviations: B, boys; G, girls; GR, sex; A10, 10 years old; A11, 11 years old; A12, 12 years old; G(10–12), girls of the specified age; B(10–12), boys of the specified age. Significant effect at *p < 0.05, **p < 0.01