This study used Latent Growth Curve Modeling (LGCM) to examine the overtime patterns of the score and test-taking strategy changes in an international high-stakes standardized proficiency test. To this end, the test records of 178 Iranian IELTS repeaters were analyzed, using close- and open-ended questionnaires to measure test scores as a function…

A critical component of cognitive diagnostic models (CDMs) is a Q-matrix that stipulates associations between items of a test and their required attributes. The present study aims to develop and empirically validate a Q-matrix for the listening comprehension section of the International English Language Testing System (IELTS). To this end, a…

Shifting focus of asocial language tests toward social considerations recalls their ideological basis (Mirhosseini, De Costa, 2020). The recurrent exposure to and involvement in discursive constructions of high stakes' contents, may bring along certain sociocultural conceptualizations and values by test audiences (van Dijk, 1998). Thus, unless a…

Large-scale standardized ESL tests such as the International English Language Testing System (IELTS) are widely used around the world to measure the language proficiency of test-takers and make different decisions based on their scores. Reading comprehension is an integral part of such tests which requires test-takers to read passages and answer a…

The current study focused mainly on the role of the linguistic complexity of IELTS writing Task 2. In other words, it investigated the differential effects of two interrelated linguistic complexities of writing Task 2 on the three levels of discourse representation and what IELTS candidates perceived through analyzing IELTS writing topics both at…

Threats to construct validity should be reduced to a minimum. If true, sources of bias, namely raters, items, tests as well as gender, age, race, language background, culture, and socio-economic status need to be spotted and removed. This study investigates raters' experience, language background, and the choice of essay prompt as potential…

The current study aimed at investigating the status of Professional Development (PD) through examining teachers' perspectives over how effective they consider exam specific teacher training courses (IELTS in this case) which aim at increasing their PD. To this end, a group of EFL teachers, from different language schools in Mashhad, Iran took part…