A study of the ways science students transformed their teacher's description of cells suggests that learning is multimodal, arising from the interaction of visual, verbal, and linguistic communication. It demonstrates that learning is a process of selection, adaptation, and transformation of information across communication systems. (Author/SK)

To what extent can photographic readability be formalized for use as a criterion in the evaluation of instructional materials? The purpose of this study was to develop and pilot test a readability index for evaluating photographic illustrations in instructional materials. The index uses an interdisciplinary battery of methods adapted from the…