| |
Belgium
|
Greece
|
Hungary
|
Netherlands
|
Norway
|
Spain
|
|---|
|
TEST-RETEST RELIABILITY STUDY*
| | | | | | |
|
No. in reliability study
|
118
|
155
|
132
|
137
|
102
|
86
|
|
Age, years (mean (sd))
|
11.4 (.6)
|
11.6 (.6)
|
12.5 (.6)
|
11.8 (.7)
|
11.4 (.6)
|
11.3 (.5)
|
|
Male gender (%)
|
44
|
52
|
50
|
53
|
42
|
44
|
|
Native language at home
| | | | | | |
|
Native
|
116
|
151
|
128
|
130
|
92
|
76
|
|
Non-native
|
2
|
4
|
1
|
7
|
10
|
9
|
|
Family status
| | | | | | |
|
Traditional (mother and father)
|
99
|
125
|
88
|
104
|
85
|
71
|
|
Non-traditional
|
19
|
28
|
44
|
33
|
15
|
14
|
|
CONSTRUCT VALIDITY STUDY**
| | | | | | |
|
No. in validity study
|
15
|
16
|
15
|
20
|
15
|
15
|
|
Age, years (mean (sd))
|
11.4 (.6)
|
11.5 (.6)
|
12.0 (.6)
|
11.7 (.7)
|
11.6 (.8)
|
11.6 (.8)
|
|
Male gender (%)
|
33
|
69
|
40
|
50
|
53
|
47
|
|
Native language at home
| | | | | | |
|
Native
|
13
|
16
|
15
|
20
|
13
|
15
|
|
Non-native
|
1
|
0
|
0
|
0
|
2
|
0
|
|
Family status
| | | | | | |
|
Traditional (mother and father)
|
12
|
14
|
11
|
13
|
10
|
13
|
|
Non-traditional
|
3
|
2
|
4
|
7
|
5
|
2
|
- * Missing data test-retest reliability study: native language at home: n = 4 (Hungary: n = 3; Spain: n = 1); family status n = 3 (Norway: n = 2; Spain: n = 1)
- ** Missing data construct validity study: native language at home: n = 1 (Belgium: n = 1)
