Richard Walker

Subject-specific components of academic self-concept and self-efficacy

Raymond L. Debus, Herbert W. Marsh, H. Marsh, 1991 .

Investigating motivation in context: Developing sociocultural perspectives

Kimberley Pressick-Kilborn, Erica Sainsbury, Erica Sainsbury, 2004 .

Why multicollinearity matters: A reexamination of relations between self-efficacy, self-concept, and achievement

Herbert W. Marsh, Martin Dowson, H. Marsh, 2004 .

The mediating role of attribution and self-efficacy variables for treatment effects on achievement outcomes.

Richard A. Walker, R. Debus, Richard Walker, 1986 .

Constructivism and Problem‐based Learning

Graham D. Hendry, Richard A. Walker, G. Hendry, 1999 .