Aleksander Kocaj

Educational placement and achievement motivation of students with special educational needs

Malte Jansen, Petra Stanat, H. Pant, 2018, Contemporary Educational Psychology.

Class-average achievement and individual achievement development: Testing achievement composition and peer spillover effects using five German longitudinal studies.

O. Lüdtke, Malte Jansen, H. Dumont, 2021, Journal of Educational Psychology.

Exploring Individual Changes in Disability Status and Their Relations to Reading Comprehension Development

Aleksander Kocaj, Kai S. Cortina, Anita F. Vereb, 2023, Remedial and Special Education.

Tests of moderation of the big-fish-little-pond effect across students with and without special educational needs in regular versus special education schools

Malte Jansen, Annette Lohbeck, Aleksander Kocaj, 2024, Learning and Instruction.

Testing the generalized internal/external frame of reference model among students with and without special educational needs in regular and special education schools

Malte Jansen, Annette Lohbeck, Aleksander Kocaj, 2024, Learning and Individual Differences.