This collection indicates how research on teaching and learning from multiple scientific disciplines such as educational science and psychology can be successfully pursued by a co-operation between researchers and school teachers. The contributors adopt different methodological approaches, ranging from field research to laboratory experiments.PART I: SELF-REGULATION AND INSTRUCTION 1. Educational Processes in Early Childhood Education: Activities of Target Children in Preschools; Wilfried Smidt 2. The Stability and Variability of Goals in Learning Contexts: A Systematic Literature Review and a Quantitative Investigation; Kathrin B?rger 3. Self-Regulation in Computer-Based Learning Environments: Effects of Learner Characteristics and Instructional Support; Loredana Mihalca, Wolfgang Schnotz and Christoph Mengelkamp 4. Does the Quality of the Application of Learning Strategies Foster Text Comprehension? A Reanalysis of Video Data; Christoph Schneider, Christian Weber, Peter H. Ludwig and Katrin Weisenburger 5. Supporting Students' Self-Regulated Learning with Teachers' Feedback: Professional Experience as a Moderator of Teachers' Attitude-Behavior Contingency; Eva Christophel and Christiane Baadte PART II: LANGUAGE LEARNING AND LANGUAGE COMPREHENSION 6. A Cognitive Linguistic Approach to Teaching English Prepositions; Xin Song, Wolfgang Schnotz and Constanze Juchem-Grundmann 7. The Individual Theories of Teachers about Vocabulary Work with Mono- and Plurilingual Students in the German Language Classroom; Olena Bien, Stephan Merten and Wolfgang Schnotz 8. Child Respondents Do They Really Answer What Scientific Questionnaires Ask For?; Gerlinde Lenske and Andreas Helmke 9. Video-Based Analyses of Reading Instruction in the Fourth Grade Based on the Observation System LUPE; Nora Heyne PART III: MATHEMATICS AND SCIENCE EDUCATION 10. Which Heuristic Operations do Primary School Students Use When Solving Complex Story Problems?; Johannes Gro?, NlĂ^