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Table 11 Time measures for the user test

From: A comparison and user-based evaluation of models of textual information structure in the context of cancer risk assessment

  

Q1

Q2

Q3a

Q3b

Q3c

Q4

Q5

TOTAL

  

TIME

SAVE

TIME

SAVE

TIME

SAVE

TIME

SAVE

TIME

SAVE

TIME

SAVE

TIME

SAVE

TIME

SAVE

S0

A

15.3

 

9.4

 

8.7

 

4.4

 

8.9

 

9.4

 

13.3

 

69.5

 
 

B

27.1

 

18.8

 

15.5

 

8.5

 

14.8

 

13.5

 

18.0

 

116.1

 
 

C

19.3

 

12.0

 

17.9

 

4.9

 

9.6

 

18.4

 

20.9

 

102.9

 

S1

A

15.3

0%

7.4

22%

6.2

28%

4.2

5%

5.8

35%

7.4

21%

11.9

11%

58.2

16%

 

B

17.0

37%

7.9

58%

8.5

45%

4.8

43%

6.8

54%

9.9

27%

13.1

27%

67.9

42%

 

C

15.8

18%

6.4

47%

8.8

51%

3.8

21%

5.8

40%

12.5

32%

12.5

40%

65.6

36%

S3

A

13.1

15%

7.9

17%

5.6

35%

3.9

11%

5.7

36%

6.4

32%

11.9

11%

54.5

22%

 

B

15.9

41%

8.9

53%

7.2

53%

4.7

45%

7.8

47%

6.1

55%

12.0

33%

62.6

46%

 

C

15.4

20%

5.9

51%

8.5

53%

3.8

22%

6.9

29%

11.8

36%

11.4

45%

63.7

38%

S1'

A

15.0

3%

9.4

1%

6.3

28%

4.2

5%

7.1

20%

7.4

22%

12.5

6%

61.8

11%

 

B

18.4

32%

12.4

34%

9.4

39%

8.1

5%

8.2

44%

6.7

50%

14.2

21%

77.5

33%

 

C

18.5

4%

12.3

-3%

13.9

22%

6.3

-29%

8.6

11%

12.8

31%

12.9

38%

85.3

17%

S3'

A

13.0

16%

8.3

12%

6.6

24%

4.9

-11%

6.5

27%

6.8

28%

11.5

14%

57.6

17%

 

B

23.9

12%

14.5

23%

11.4

26%

7.8

8%

10.1

32%

7.2

47%

15.3

15%

90.2

22%

 

C

17.1

11%

12.0

0%

15.1

16%

4.8

1%

8.3

14%

11.9

35%

15.8

24%

84.9

17%

  1. The table shows the time it takes for the CRA experts (A, B and C) to answer the questions in the questionnaire (sample mean) and the percentage of time they save using scheme annotations.