This book examines the evidence relative to the idea that there is an age factor in first and second language acquisition, evidence that has sources ranging from studies of feral children to evaluations of language programmes in primary schools. It goes on to explore the various explanations that have been advanced to account for such evidence. Finally, it looks at the educational ramifications of the age question, with particular regard to formal second language teaching in the early school years and in ‘third age’ contexts.

CT Teaching Manual: A Systematic Approach To CT Reading Second Edition
Ideal for radiology residents and technicians, this concise manual is the perfect introduction to the practice and interpretation of computed tomography. Designed as a systematic learning tool, it introduces the use CT scanners for all organs, and includes positioning, use of contrast media, representative CT scans of normal and pathological findings, explanatory drawings with keyed anatomic structures, and an overview of the most important measurement data. Finally, self-assessment quizzes - including answers - at the end of each chapter help the reader monitor progress and evaluate knowledge gained.
The second edition includes newest techniques such as CT angiography, dose reduction, and multislice scanning.

Achieve a powerful, more effective, more successful vocabulary in just a month. All it takes is 15 minutes a day and this highly effective mini-course. Start boosting communication skills with a simple 12-minute quiz that highlights your current proficiency. Keep the pencil ready and go through the workbook which guides you in writing, saying, and using new words continually until they become second nature. Find out how to identify the etymology of a word, memorize odd words, use verbs and adjectives with remarkable power, choose a synonym, and create a personalized plan for vocabulary growth.

This book aims to review the work done in psychology and linguistics on language processing and to relate it to the learning of a second language. It is aimed at the student language teacher who will also be studying aspects of linguistics such as phonology alongside psychological theories and theories of language learning.
It is an attempt to pull together the two disciplines with a specific focus on the second language learner.
It will also be of interest to postgraduate students in off ering them a wide variety of sources for further research.

The new and updated edition of this bestselling introductory textbook is a comprehensive overview of the field of second language acquisition. In an easy-to-read accessible style, it provides students with information about the scope of the field, but also provides background information on related areas such as first language acquisition. The book introduces students to current issues of data collection and data analysis, as well as provides an historical overview of the field, thus giving students context and perspective about how todayƒ?Ts issues arise from earlier approaches.
Each chapter offers discussion questions and/or problems so that students can put their knowledge to use in a way that is relevant to what they have learned, but that also challenges them to go beyond what is in the chapter and to relate information across chapters.
The book covers a range of areas of second language research including sociolinguistic, psycholinguistic, and linguistic perspectives. It also includes a chapter on the lexicon and on instructed second language learning. The concluding chapter pulls the information in the previous chapters together into a coherent framework that challenges students to think about the field of second language acquisition as a whole.