赵中宝编著的《大学英语口语诊断性测试的开发和效度研究》共6章，系统全面地介绍了大学英语口语诊断性测试的开发和效度论证，调查了该测试所提供的诊断性反馈信息对大学英语教学与学习的影响，探讨了中国大学英语教学环境中应用诊断性测试的可行性及其有效性；最后总结了本研究的主要发现，讨论了本研究的不足之处并指出了未来的研究方向。

赵中宝编著的《大学英语口语诊断性测试的开发和效度研究》系统全面地介绍了大学英语口语诊断性测试的开发和效度论证，调查了该考试所提供的诊断性反馈信息对大学英语教师教学与学生学习的影响，探讨了中国大学英语教学环境中应用诊断性考试的可行性和有效性。

《大学英语口语诊断性测试的开发和效度研究》适合外语专业的本科生、研究生和从事口语教学的教师参考使用。

Chapter 1 Introduction

 1.1 Rationale for the Study

 1.2 The Aim and Objectives of the Study

 1.3 Research Questions

 1.4 Significance of the Present Study

 1.5 Structure of the Book

Chapter 2 Literature Review

 2.1 Assessment for Learning

 2.1.1 Assessment for Learning and

 Assessment of Learning

 2.1.2 Formative Assessment and Summative

 Assessment

 2. 1.3 Norm-referenced and Criterion-referenced

 Testing

 2.2 Diagnostic Testing

 2. 2.1 Definitions of a Diagnostic Test

 2.2. 2 Characteristics of Diagnostic Tests

 2.2.3 Studies on Diagnostic Language

 Tests

 2. 3 Studies on Speaking Tasks

 2.4 Validation Studies of Language Tests

 2. 5 Summary

Chapter 3 A Conceptual Framework for the Development

 and Validation of the DCEST

 3. 1 Communicative I.anguage Ability and the

 Construct of Speaking

 3.1.1 Models of Communicative Language

 Ability

 3.1.2 Models of Speech Production

 3. 1.3 Frameworks for Defining the

 Construct of Speaking

 3.2 Guidelines and Procedures of Test

 Development

 3. 3 Defining Test Specifications for a

 Speaking Test

 3.4 Models of Speaking Performance

 3.4. 1 Milanovic and Saville's Model

 3.4.2 McNamara's Model

 3.4. 3 Skehan~s Model

 3. 4.4 Fulcher's Model

 3.5 Summary

Chapter 4 Research Design and Methodology

 4. 1 Needs Analysis

 4. 1.1 Design of the Questionnaires

 4.1.2 Participants of the Questionnaire

 Survey

 4. 1.3 Results of the Survey

 4. 1.4 Implications for the DCEST

 4. 2 The Development of the Prototype DCEST

 4. 2.1 Defining the Construct

Chapter 5 Results and Discussions

Chapter 6 Conclusions

Appendices

Bibliography