2Mayer R E.Models for understanding.Review of Educational Research,1989,59(1):43～64
3Guri-Rozenblit S.Effects of a tree diagram on students' comprehension of main ideas in an expository text with multiple themes.Reading Research Quarterly,1989,24(2):236～247
4Reid D J.The role of pictures in learning biology:part 1,perception and observation.Journal of Biological Education,1990,24(3):161～172
5Reid D J.The role of pictures in learning biology:part 2,picture-text processing.Journal of Biological Education,1990,24(4):251～258
6Moore P J,Scevak J J.The effects of strategy training on high school students' learning from science text.Paper presented at the 5th European Conference for Research on Learning and Instruction,Aix-en-Province,France,1993,August
7Bernard R M.Using extended captions to improve learning from instructional illustrations.British Journal of Educational Technology,1990,21:215～225
8Reinking D,Hayes D A,McEneaney J F.Good and poor readers' use of explicitly cued graphic aids.Journal of Reading Behavior,1993,20:229～247
9Hamilton R J.A framework for the evaluation of the effectiveness of adjunct questions and objectives.Review of Educational Research,1985,55:47～85
10Scevak J J,Moore P J.Levels of processing effects on learning from texts with maps.Educational Psychology:an International Journal of Experimental Educational Psychology,1998,18(2):133～155
