Olaf Köller

Academic Self-Concept, Interest, Grades, and Standardized Test Scores: Reciprocal Effects Models of Causal Ordering

Herbert W. Marsh, Ulrich Trautwein, Oliver Lüdtke et al. · Child Development · 2005 · 1.2K citations

Classroom Climate and Contextual Effects: Conceptual and Methodological Issues in the Evaluation of Group-Level Effects

Herbert W. Marsh, Oliver Lüdtke, Benjamin Nagengast et al. · Educational Psychologist · 2012 · 573 citations

Educational Psychology, Latent Multilevel Models, Education +22

Does Interest Matter? The Relationship between Academic Interest and Achievement in Mathematics

Olaf Köller, Jürgen Baumert, Kai U. Schnabel · Journal for Research in Mathematics Education · 2001 · 510 citations

Tracking, grading, and student motivation: Using group composition and status to predict self-concept and interest in ninth-grade mathematics.

Ulrich Trautwein, Oliver Lüdtke, Herbert W. Marsh et al. · Journal of Educational Psychology · 2006 · 450 citations

Educational Psychology, Education, Using Group Composition +22

A Meta-Analytic Path Analysis of the Internal/External Frame of Reference Model of Academic Achievement and Academic Self-Concept

Jens Møller, Britta Pohlmann, Olaf Köller et al. · Review of Educational Research · 2009 · 416 citations

Meta-analytic Path Analysis, Educational Psychology, Education +27