Productivity is a central concept in the study of language and language acquisition. As a test case for exploring the notion of productivity, we focus on the noun slots of verb frames, such as __"want"__, __"see"__, and __"get"__. We develop a novel combination of measures designed to assess both the flexibility and…

Previous research has reported that bilingual children sometimes produce mixed noun phrases with "correct" gender agreement--as in "der dog" ("der" being a masculine determiner in German and the German word for "dog", "hund", being masculine as well). However, these could obviously be due to chance or to the indiscriminate use of a default…