Ph.D., Secondary Science and Mathematics Education, Middle East Technical University, 2011. Computerized adaptive testing procedures, detection of creating/aberrant response patterns through software, educational technology. 

İlker Kalender (BS, MA and PhD from Middle East Technical University). He  joined Bilkent University in 2008. During his graduate studies, he worked mainly on measurement and evaluation procedures. His research interests are student evaluations of instruction in higher education and computerized measurement and evaluation techniques. He has also been working as a reviewer for journals such as Higher Education, Assessment and Evaluation in Higher Education, Education and Science, Higher Education Research & Development.

Research interests: Factors affecting student ratings of instruction; Analysis of large-scale testing data (PISA, TIMSS, etc.); Test and item development; Computerized adaptive testing (CAT) procedures