The two studies reported on in this paper examine the features of words that distinguish students' performances on vocabulary assessments as a means of understanding what contributes to the ease or difficulty of vocabulary knowledge. The two studies differ in the type of assessment, the types of words that were studied, and the grade levels and…

Anglophone children in Grades 2 and 5 who attended an intensive French immersion program were examined for linguistic and metalinguistic ability in English and French. Measures of linguistic proficiency (vocabulary and grammatical knowledge) were consistently higher in English and remained so even after 5 years of immersion education in French.…