1. Twenty thousand hours: Editor' introduction

   • Barry J. Fraser

   OriginalPaper Pages: 1 - 5

2. Homework style, homework environment, and academic achievement

   • Eunsook Hong

   OriginalPaper Pages: 7 - 23

3. Incorporating field trips as science learning environment enrichment – an interpretive study

   • Revital T. Tal

   OriginalPaper Pages: 25 - 49

4. The quality of student ratings of teacher behaviour

   • Rob De Jong
   • Klaas J. Westerhof

   OriginalPaper Pages: 51 - 85

5. An invasion in the classroom: influence of an ill-structured innovation on instructional and epistemological beliefs

   • Jan Elen
   • Geraldine Clarebout

   OriginalPaper Pages: 87 - 105

6. Instructions for authors

   Instructions for Authors Pages: 107 - 114