1. Development of a tape-mediated, ACTFL/ILR scale-based test of Chinese speaking proficiency;Clark,1986
2. Validation of a tape-mediated ACTFL/ILR-scale based test of Chinese speaking proficiency;Clark;Language Testing,1988
3. Development, validation, and dissemination of a proficiency-based test of speaking ability in Chinese and an associated assessment model for other less commonly taught languages;Clark,1986
4. TOEFL Research Reports: 4. An Exploration of Speaking Proficiency Measures in the TOEFL Context;Clark,1979
5. TOEFL Research Reports: 7. The Test of Spoken English as a Measure of Communicative Ability in English-medium Instructional Settings;Clark,1980