This book introduces a new type of data poisoning attack, dubbed, backdoor attack. In backdoor attacks, an attacker can train the model with poisoned data to obtain a model that performs well on a normal input but behaves wrongly with crafted triggers. Backdoor attacks can occur in many scenarios where the training process is not entirely controlled, such as using third-party datasets, third-party platforms for training, or directly calling models provided by third parties. Due to the enor...

The Routledge Handbook of Second Language Acquisition and Individual Differences provides a thorough, in-depth discussion of the theory, research, and pedagogy pertaining to the role individual difference (ID) factors play in second language acquisition (SLA).It goes beyond the traditional repertoire and includes 32 chapters covering a full spectrum of topics on learners’ cognitive, conative, affective, and demographic/sociocultural variation. The volume examines IDs from ...

Task-based language teaching is an approach which differs from traditional approaches by emphasising the importance of engaging learners' natural abilities for acquiring language incidentally through the performance of tasks that draw learners' attention to form. Drawing on the multiple perspectives and expertise of five leading authorities in the field, this book provides a comprehensive and balanced account of task-based language teaching (TBLT). Split into five sections, the book provid...

Language Aptitude: Advancing Theory, Testing, Research and Practice brings together cutting-edge global perspectives on foreign language aptitude. Drawing from educational psychology, cognitive science, and neuroscience, the editors have assembled interdisciplinary authors writing for an applied linguistics and education audience. The book is broken into five major themes: revisiting and updating current language aptitude theories and models; emerging insights from contemporary re...