Skip to main content
Research and Practice in Technology Enhanced Learning

Table 8 Descriptive statistics of item difficulty P for proficiency-based groups

From: Controlling item difficulty for automatic vocabulary question generation

 

Low group

Middle group

High group

n student

23

36

27

x̄

.456

.507

.562

sd

.278

.262

.297

max

1

1

1

min

0

0

0

Back to article page