Table 7 Confusion matrix of the final character set Stimulus.

From: Legibility Assessment of Visual Word Form Symbols for Visual Tests

  

Stimulus

大

太

天

夭

仕

仟

任

旦

目

貝

吉

古

占

汙

江

汪

Incorrect response (%)

大

 

66.7

22.2

8.9

2.2

0.0

2.2

2.2

2.2

0.0

2.2

0.0

4.4

0.0

0.0

0.0

太

22.2

 

2.2

8.9

2.2

0.0

4.4

0.0

0.0

0.0

2.2

0.0

2.2

0.0

0.0

0.0

天

33.3

11.1

 

62.2

2.2

0.0

0.0

2.2

0.0

6.7

2.2

0.0

4.4

0.0

4.4

0.0

夭

17.8

4.4

40.0

 

2.2

4.4

0.0

0.0

0.0

2.2

0.0

0.0

2.2

4.4

2.2

0.0

仕

2.2

2.2

11.1

2.2

 

17.8

28.9

6.7

8.9

2.2

4.4

4.4

4.4

2.2

2.2

4.4

仟

8.9

4.4

6.7

2.2

20.0

 

17.8

6.7

15.6

6.7

0.0

4.4

4.4

11.1

2.2

4.4

任

0.0

4.4

2.2

2.2

48.9

57.8

 

8.9

0.0

0.0

2.2

4.4

2.2

11.1

0.0

2.2

旦

0.0

0.0

0.0

2.2

0.0

0.0

2.2

 

33.3

8.9

2.2

4.4

6.7

0.0

4.4

2.2

目

4.4

0.0

2.2

2.2

2.2

6.7

8.9

33.3

 

60.0

13.3

17.8

2.2

2.2

6.7

4.4

貝

2.2

0.0

0.0

0.0

0.0

2.2

4.4

13.3

26.7

 

2.2

6.7

0.0

6.7

4.4

0.0

吉

2.2

0.0

2.2

0.0

2.2

0.0

0.0

0.0

2.2

2.2

 

20.0

6.7

4.4

2.2

0.0

古

0.0

0.0

0.0

4.4

0.0

0.0

8.9

6.7

6.7

4.4

55.6

 

48.9

8.9

2.2

2.2

占

0.0

0.0

2.2

0.0

4.4

2.2

0.0

2.2

2.2

2.2

6.7

28.9

 

2.2

4.4

4.4

汙

2.2

6.7

2.2

2.2

4.4

4.4

6.7

4.4

2.2

0.0

4.4

2.2

2.2

 

11.1

31.1

江

2.2

0.0

4.4

0.0

8.9

2.2

4.4

8.9

0.0

2.2

0.0

4.4

2.2

20.0

 

44.4

汪

2.2

0.0

2.2

2.2

0.0

2.2

11.1

4.4

0.0

2.2

2.2

2.2

6.7

26.7

53.3

 
  1. Note: We analyzed the confusion matrix of the experiment of comparison with alphabetic optotypes. We found that the characters only formed close relations of confusion with characters from their original character set. Column: stimuli; Row: corresponding incorrect response in percentage frequency (%).
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