Purpose: The validity of any performance assessment depends substantially on the rating scale used in the assessment procedure. It delineates the theoretical construct being measured and influences how performances are judged and interpreted. This study examined the factorial validity and invariance of the rating scale used for the assessment of…

Intercultural understanding (ICU) is becoming an essential part of living and contributing effectively in our increasingly diverse society. In fact, ICU is a key capability in the Australian schooling curriculum, alongside other general capabilities such as numeracy and literacy. While there are current instruments assessing ICU, there is little…

Multiple traits of language proficiency as well as test method effects were concurrently analyzed to investigate interrelations of construct validity, convergent validity, and discriminant validity using multitrait-multimethod (MTMM) matrices. A total of 585 test takers' scores were derived from the field test of the "Pearson Test of English…