Used both American and Chinese subjects. Trehub, Sandra E., and Anna M. Unyk. Music prototypes in developmental perspective. Discusses the utility of the notion of natural prototypes in the domain of music. Trehub, Sandra E., Anna M. Unyk, and Laurel J. Trainor. 1993.
Adults identify infant-directed music across cultures.
Playing pairs of excerpts from different cultures, asked adults to identify the lullaby in each pair. Trehub, Sandra E., Anna M. Unky, and Laurel J. Trainor. 1993. Maternal singing in cross-cultural perspective. Unyk, Anna M., Sandra E. Trehub, Laurel J. Trainor, and E. Glenn Schellenberg. Subjects judged lullabies from different cultures to be simpler than comparison songs.