The aim of this study was to examine the effects of structure and navigation aids on students' learning from hypertexts. Participants were 48 undergraduate students. Group 1 (N = 24) read 2 hypertexts (one network, one hierarchical) with high navigation support (a graphical overview, a coherent links list, and use of different colours for visited…

Mastering analytical writing involves the proficient use of varied later-acquired grammatical, lexical and discourse forms and functions. Developmental studies have identified specific linguistic features as diagnostic of increasing proficiency. This study examines how these features change throughout educational levels and before and after the…

Learning to compose texts adequate for different purposes is crucial for becoming literate. We examined developmental changes in the rhetorical structure of written texts produced by Spanish children throughout the early years of elementary school in the light of descriptive writing purposes. Children had also performed tasks to test…

This dissertation focuses on the apparent linguistic discontinuity reflected in notarial texts from the twelfth to the thirteenth century in the Iberian Peninsula. Particular attention is given to the historical development of Spanish personal a (the direct object animacy marker), which can be used to trace the communicative continuity that must…

The present study relates to a research line in didactics of science that focuses on the function that sign systems or semiotic modes have in communicative interactions in science classrooms. The study was conducted by 20 secondary and university science teachers who belong to the same research group LIEC ("Language and Science…

The role played on shallow and deep levels of comprehension by text changes aimed at improving relationships within text ideas or producing better links with the reader's knowledge were studied with 67 Spanish 10th graders. Both textual changes contributed separately to recall, but problem solving increased only when the two were presented…

Presents the results of two studies where children were taught to identify textual cues, syntactic and semantic, in order to locate main ideas. The children also built graphic representations of these structures and were taught relevant questions to ask regarding comprehension. Results showed significant improvement, especially with older…

Describes a long-term project where middle school students were taught to visually represent key text ideas through idea-mapping techniques. Instruction was inserted in the content area curriculum along with regular textbooks and supplementary material. Positive effects were found in recall, comprehension, and learning. (MJP)