Reported is a study to examine the effects of bilingualism on the ability to formulate scientific hypotheses or solutions to science problems by examining results of the same treatment motivating hypothesis formation given by the same teacher to classes of sixth-grade students ranging from monolingual English-speaking children to proficient…

Several tasks were developed to investigate adolescents' ability to see correlations in data and to test hypotheses. Emphasis was placed on methodology: do students clearly understand the problem and do the tasks tap the skills they claim to? The 20 ninth-grade and 20 eleventh-grade boys and 15 college freshmen were tested. Most students did…

Presents a classroom activity which can be used both to assess student's modes of thought and to clarify the logic of hypothesis testing. The task is based on Piaget's theories of cognitive development. (HM)

Describes several tests for determining dominance of children's hands, eyes, feet, and thumbs. Discusses the relationship between hemispheric brain dominance and dominant sides of the body. Suggests that raising questions about generalizations can lead to new learning. (TW)