Chemistry is often seen as a difficult subject to understand. This book focusses on the triangle model that Alex H. Johnstone developed in the early 1980s. Originally conceived in the context of making chemistry more accessible to a wider range of learners, the model has been applied in almost every area of education in chemistry at all stages of learning. In looking at why chemistry is difficult, there are two central questions. Firstly, does the problem relate to the nature of chemistry and, secondly, does it relate to the way humans gain understanding? Both were found to be important and the answers to the two question were found to be connected. The triangle model arose from sustained research into human learning. The central finding from research is the critical role of working memory and the model rationalises so much evidence from chemistry education research as well as the repeated experiences of teachers of chemistry at all levels. In order to understand chemistry, it is essential to develop sound mental models of molecular reality. It generates major implications for the way a chemistry curriculum should be constructed and the processes of teaching and learning in chemistry when the goal is focussed on understanding the key ideas. Some of these implications are developed and pointers offered to more successful ways forward. The power of the Johnstone Triangle lies in the way it offers clear directions for all involved in chemistry education. It is hoped that this book will prove helpful to all involved in sharing the exciting story of the way humans have come to understand the molecular world, one of the great examples of great human endeavour.
This textbook brings together findings from global research on teaching and learning, with an emphasis on secondary and higher education. The book is unique in that the content is selected in an original way and its presentation reflects the most recent research evidence related to understanding. The book covers and presents themes that are based tightly on worldwide research evidence, scrupulously avoiding opinion or any dependence on the personal experience of the authors. The book starts by reflecting on educational research itself. The four chapters that follow relate the story of the research that shows how all humans learn and the variations within that framework. These chapters offer a tight framework that underpins much of the rest of the text. The next four chapters look at the way school curricula are organised and how the performance of learners can be assessed. They summarise the research evidence related to thinking skills and consider the importance of practical teaching. This is followed by two chapters that draw from the extensive social psychology research on attitude development as it applies in education, and then by two chapters that summarise the research related to major issues of controversy: the performativity agenda and the issue of quality. One chapter looks at the place of statistics in education. The next two chapters look at the evidence that can support or undermine many typical education beliefs, or myths and mirages. Finally, the last chapter brings it all together and looks into the future, pointing to some areas where future research is likely to be helpful, based on current knowledge.
Winner of the Saltire Society Scottish History Book of the Year 2019 Presiding over an age of relative peace and prosperity, Alexander III represented the zenith of Scottish medieval kingship. The events which followed his early and unexpected death plunged Scotland into turmoil, and into a period of warfare and internal decline which almost brought about the demise of the Scottish state. This study fills a serious gap in the historiography of medieval Scotland. For many decades, even centuries, Scotland's medieval kingship has been regarded as a close likeness of the English monarchy, having been 'modernised' in that image by the twelfth- and thirteenth-century kings, who had close relationships with their southern counterparts. Recent research has cast doubt on that view, and this examination of Alexander III's reign is based on a view of Scottish kingship which depends on much firmer continuity with its earlier, celtic past. It challenges accepted truth, revealing that the nature of state and government, and the relationships between ruler and subject, were quite different from the previous 'received view'. On the cusp of a dynastic catastrophe which led to economic and political disaster, Alexander III's reign captures a snapshot of Scotland at the end of a period of sustained peace and development: a view of the medieval state as it really was.
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