This annual report presents several articles related to the work of the Clinical Center for Child Development at Hokkaido University in Sapporo, Japan. The articles are: (1) "Maternal Speech and Behavior during Mother-Infant Play: Comparison between the United States and Japan" (Sueko Toda, Marc H. Bornstein, and Hiroshi Azuma); (2) "The Effects of Tempo and Pitch on the Judgement of Infant Cries" (Taeko Tsukamoto); (3) "Bilingual Children's Language Choice in Two Linguistic Contexts" (Hiroko Kasuya); (4) "Sex Education in Children and Children's Fantasy about Sexuality" (Takashi Tsubakita); (5) "Development of Parental Aversion to Offspring's Bodily Products: A New Approach to Parent- Offspring Relationships" (Ko'ichi Negayama); (6) "Feeding as a Communication Between Mother and Infant in Japan and Scotland" (Ko'ichi Negayama); and (7) "Tanshinfunin: Effects of Father Absence on Children's Socioemotional Development" (Jun Nakazawa, Yuko Tanaka, and Sayuri Nakazawa). (KB)