Skip to main content
Language Testing in Asia

Table 2 Testlet effect variances per EFL reading testlet from the 2016 to 2018 examinations

From: Rasch testlet model and bifactor analysis: how do they assess the dimensionality of large-scale Iranian EFL reading comprehension tests?

Passage

Examination

2016

2017

2018

Testlet 1

0.63

0.25

0.22

Testlet 2

0.32

0.39

0.40

Back to article page