Describes a study of four- to five-year-old children's interpretations of statements involving "know" (savoir) and "think" (croire). The study tried to ascertain the language operations that modify a proposition or a basic assertion and to show the speaker's attitude towards the event asserted in the statement. (SED)

A study is described of heuristic devices useful in learning both native and second languages. The study concerns particularly the means used by very young students (second and third graders) in vocabulary acquisition and in the establishment of semantic relationships. It was of concern to verify if (1) the children would use their knowledge of…