Two subject-verb agreement error elicitation studies tested the hierarchical feature-passing account of agreement computation in production and three timing-based alternatives: linear distance to the head noun, semantic integration, and a combined effect of both (a scope of planning account). In Experiment 1, participants completed subject noun…

Three studies investigated the comprehension of sentences containing the focus particle "only" by children and adults. Contrary to previous findings, two of the studies found that young children made errors predominantly by failing to process contrast information rather than errors in which they failed to use syntactic information to…