From: A comparability study between the General English Proficiency Test- Advanced and the Internet-Based Test of English as a Foreign Language
GEPT R1
GEPT R2
GEPT W
iBT R
iBT W
1.000**
.701**
.532**
.410**
.457**
.414**
.338**
.425**
.316**
.385**
.545**