Constituencies

n

excellent

effective

void

Total efficiency

Treatment group

31

21 (67.74)

9 (29.03)

2 (3.11)

30 (96.77)

Control group

31

13 (41.94)

12 (38.71)

6 (19.35)

25 (80.7)

X²

-

13.44

2.1

12.97

12.973

p

-

<0.01

>0.05

<0.01

<0.01