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Table 3 READMI metrics among medical student participants (N = 125)

From: Motivational interviewing skills practice enhanced with artificial intelligence: ReadMI

 

Total

(n = 125)

Intervention

(n = 65)

Control

(n = 60)

 

Session 1

Session 2

Effect Size

Session 1

Session 2

Effect Size

Session 1

Session 2

Effect Size

 

Mean (sd)

Mean (sd)

 

Mean (sd)

Mean (sd)

 

Mean (sd)

Mean (sd)

 

Doctor Speak Time

48.2 (11.3)a

41.8 (11.0)a

0.6

46.1 (11.2)b

40.1 (10.0)

0.6

50.4 (11.1)b

43.5 (11.8)

0.6

Open Questions

6.8 (3.2)a

8.3 (3.6)a

0.4

7.0 (3.1)

8.5 (4.1)

0.4

6.6 (3.3)

8.1 (3.0)

0.5

Closed Questions

4.3 (2.8)

3.9 (2.9)

0.1

3.4 (2.4)b

2.8 (2.3)c

0.3

5.2 (2.9)b

5.0 (3.1)c

0.1

Total Questions

10.9 (4.4)a

12.2 (4.3)a

0.3

10.2 (4.1)

11.3 (4.4)c

0.3

11.6 (4.6)

13.1 (4.0)c

0.3

Reflections

6.1 (3.5)

6.5 (3.5)

0.1

4.6 (3.5)b

5.0 (3.4)c

0.1

7.8 (2.6)b

8.1 (2.7)c

0.1

Scale

0.7 (0.8)

0.7 (0.7)

0

0.8 (0.9)

0.8 (0.6)

0

0.7 (0.7)

0.6 (0.7)

0.1

Ratio of Open to Closed Questions

2.6 (2.7)a

3.7 (3.6)a

0.3

3.2 (3.1)b

4.8 (4.1)c

0.4

1.9 (2.0)b

2.5 (2.5)c

0.3

Ratio of Reflections to Questions

0.6 (0.4)

0.6 (0.4)

0

0.5 (0.4)b

0.5 (0.4)c

0

0.8 (0.5)b

0.7 (0.3)c

0.3

Percent of Open Questions

62.0 (20.0)a

69.0 (20.0)a

0.4

68.0 (20.0)b

75.0 (20.0)c

0.4

55.0 (19.0)b

63.0 (17.0)c

0.4

  1. aDenotes significant differences (p <.05) between sessions 1 and 2 overall
  2. bDenotes significant differences between groups during session 1
  3. cDenotes significant differences between groups during session 2
  4. Note: Effect size is defined as the standardized mean difference. The absolute value was taken for each measure