The Editors: Hermann Astleitner (Associate Professor) and Hans-Jörg Herber (Professor) are with the Department of Educational Research at the University of Salzburg, Austria (URL http://www.uni-salzburg.at/erz_soz). Their main research interests are instructional systems design, motivation, emotion, and learning.

• Contents: Hermann Astleitner: Introduction: Tasks and standards in learning and instructional psychology – Hermann Astleitner: Theory: Designing task-based learning sequences. A categorical model of task attributes – Hermann Astleitner/Hans-Jörg Herber: Effects of task sequencing on learning and motivation – Hans-Jörg Herber/Éva Vásárhelyi/Karl-Josef Parisot/Hermann Astleitner: Task complexity and trait-treatment-interactions in learning mathematics. A quasi-experiment – Hermann Astleitner/Taher Farahat: Finding emotional standards for reading. An exploration study using LISREL – Hermann Astleitner/Iwan Pasuchin: Increasing effectiveness of instruction and reducing pressure for teachers by self-regulated learning – Hermann Astleitner/Jean-Luc Patry: Standards in web-based teacher education.

The Editors: Hermann Astleitner (Associate Professor) and Hans-Jörg Herber (Professor) are with the Department of Educational Research at the University of Salzburg, Austria (URL http://www.uni-salzburg.at/erz_soz). Their main research interests are instructional systems design, motivation, emotion, and learning.

• Contents: Hermann Astleitner: Introduction: Tasks and standards in learning and instructional psychology – Hermann Astleitner: Theory: Designing task-based learning sequences. A categorical model of task attributes – Hermann Astleitner/Hans-Jörg Herber: Effects of task sequencing on learning and motivation – Hans-Jörg Herber/Éva Vásárhelyi/Karl-Josef Parisot/Hermann Astleitner: Task complexity and trait-treatment-interactions in learning mathematics. A quasi-experiment – Hermann Astleitner/Taher Farahat: Finding emotional standards for reading. An exploration study using LISREL – Hermann Astleitner/Iwan Pasuchin: Increasing effectiveness of instruction and reducing pressure for teachers by self-regulated learning – Hermann Astleitner/Jean-Luc Patry: Standards in web-based teacher education.

The Editors: Hermann Astleitner (Associate Professor) and Hans-Jörg Herber (Professor) are with the Department of Educational Research at the University of Salzburg, Austria (URL http://www.uni-salzburg.at/erz_soz). Their main research interests are instructional systems design, motivation, emotion, and learning.

• Contents: Hermann Astleitner: Introduction: Tasks and standards in learning and instructional psychology – Hermann Astleitner: Theory: Designing task-based learning sequences. A categorical model of task attributes – Hermann Astleitner/Hans-Jörg Herber: Effects of task sequencing on learning and motivation – Hans-Jörg Herber/Éva Vásárhelyi/Karl-Josef Parisot/Hermann Astleitner: Task complexity and trait-treatment-interactions in learning mathematics. A quasi-experiment – Hermann Astleitner/Taher Farahat: Finding emotional standards for reading. An exploration study using LISREL – Hermann Astleitner/Iwan Pasuchin: Increasing effectiveness of instruction and reducing pressure for teachers by self-regulated learning – Hermann Astleitner/Jean-Luc Patry: Standards in web-based teacher education.