Overall sample

Experimental sample

Control sample

F

p

F

p

F

p

Comparison between the 1st and 2nd age groups.

0.03

0.86

0.21

0.07

0.17

0.53

Comparison between the 1st and 3rd age groups.

1.86

0.17

2.05

0.17

1.5

0.03

Comparison between the 1st and 4th age groups.

16.42

0.000

0.004

0.000

0.14

0.04

Comparison between the 2nd and 3rd age groups.

2.51

0.12

1.87

0.71

1.95

0.02

Comparison between the 2nd and 4th age groups.

1.94

0.17

0.12

0.08

0.007

0.01

Comparison between the 3rd and 4th age groups.

0.86

0.35

1.56

0.04

0.57

0.59