A Closer Look at The Effects of Within-School Ability Grouping in Secondary Schools: How Are Different Performers Affected?

-GÜRSAKAL, Sevda; MURAT, Dilek; GÜRSAKAL, Necmi.: Assessment of PISA 2012 Results With Quantile Regression Analysis Within The Context of Inequality In Educational Opportunity. Alphanumeric Journal, 2016, 4.2.