012345678910
0
1
2
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7
8
9
10
0 Not at all, 10 Very well
012345678910
0
1
2
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5
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7
8
9
10
0 Very unclear, 10 Very clear

012345678910
0
1
2
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4
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6
7
8
9
10
0 Very poor, 10 Very good

012345678910
0
1
2
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9
10
0 Very complicated, 10 Very smooth

012345678910
0
1
2
3
4
5
6
7
8
9
10
0 Very poor, 10 Very good
012345678910
0
1
2
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10
0 Not at all likely, 10 — Very likely