**Meet the editor**

Professor Beban Sammy Chumbow, PhD, Indiana University, USA (1975), is currently the emeritus professor of Linguistics at the University of Yaoundé 1, pro-chancellor of the University of Dschang, and president of the Assembly of Academicians of the African Academy of Languages, a specialized institution of the African Union. He has published extensively in Generative

Phonology and Language Policy and Planning in a multilingual setting. He is the vice president of the Cameroon Academy of Sciences (CAS), a member of the New York Academy of Sciences, and a former member of the Linguistic Society of America. He has served as the rector/vice chancellor (executive head) of four Universities and has been a visiting professor to major universities in Europe, the USA, Canada, and Africa. Among other distinguished international functions, he served as a member of the Scientific Committee of the Council for Social Science Research in Africa (CODESRIA), a member of Council of the Association of African Universities (AAU), a member of the Scientific Council of the "Agence Universitaire de la Francophonie" (AUF), and a member of Council of the Association of Commonwealth Universities (ACU).

Contents

**Preface VII**

Chapter 1 **Introductory Chapter: Relevance of Bilingualism and Multilingualism in a Multilingual World 3**

**Section 2 Advantages and Case Studies of Bilingualism and**

Chapter 2 **Advantages of Bilingualism and Multilingualism: Multidimensional Research Findings 15**

**Section 3 Psycholinguistic Perspectives on Bilingualism 75**

Maura A. E. Pilotti and Khadija El Alaoui

Chapter 5 **A Psycholinguistic Perspective on Development of Phonetic Category Formation in Bilingual Children 77**

Chapter 6 **Bilingualism and Self-Perception: Self-Efficacy through the Veil**

Chapter 3 **Aspects and Dimensions of Bilingualism and Multilingualism**

Julio C. Alonso Cifuentes, Diana M. Díaz Mejía and Daniela Estrada

Beban Sammy Chumbow

**Multilingualism 13**

Evelyn Fogwe Chibaka

Chapter 4 **Achievements of a Bilingual Policy: The Colombian Journey 57**

**in Europe 37** Irina-Ana Drobot

Sue Ann S. Lee

**of Two Languages 101**

Nates

**Section 1 Introduction 1**
