Critical examination of the Teachers' Guide and Guide to Experiments and Questions Book in O-level Nuffield physics course reveals there may be disadvantages to the current organization when analyzed with psychological considerations. (PS)

Provides evidence to support the conclusion that relationships exist among Piagetian levels of intellectual development, intelligence quotient, content achievement, and inquiry skills in ninth and tenth grade biology students (N=92). (DS)

Investigated the development of formal reasoning among students (ages 10-18 years) from predominately White, middle-class communities located in rural, suburban homogeneous, and suburban heterogeneous areas. Results indicate clear differences among communities in formal reasoning ability. Implications for using science instruction to promote…