The effect of track changes on the development of academic self-concept in high school: A dynamic test of the big-fish–little-pond effect
Journal of Educational Psychology (2012) - Comment
doi: 10.1037/a0027732  issn: 1939-2176  issn: 0022-0663 

Sofie Wouters, Bieke De Fraine, Hilde Colpin, Jan Van Damme, Karine Verschueren