| Since Flavcll raised the concept of metacognition in 1976, Psychologists and educationists both at home and abroad have done a great many researches on the subject, and greatness teachers have do many expatiation in cultivation of metalearning ability according to their instructing activities. But there is little experimental study on chemical metalearning strategy training on senior middle school at home.The paper mainly studied the effectiveness of chemical metalearning strategy training on senior middle school students' ability of chemical metalearning. The study is steered by the theories of contemporary metalearning and the thought of reform of new basic course. Ss were 264 senior school middle students in second grades in ZhouNan school in Hunan province in China. In the experiment design of experiment-group and control-group before and after training, the students were trained by mean of chemical metalearning strategy composed by authors. The purpose is probed into if the conscious train would influence student's achievement and ability on chemical metalearning, and if there is distinct difference on the effectiveness of the experimental training between the students in different ability group and between schoolboys and schoolgirls. Training time lasted 10 weeks. The experimental data were analyzed by SPSS 10.0.The results showed that the students the senior middle school who had trained on chemical metalearning strategy have made an obvious improvement on achievement and ability of chemical metalearning, and the effectiveness of the experimental training on the group of poor students is the most obvious in three groups divided by authors. But there is not distinct difference on the effectiveness of the experimental training between schoolboys and schoolgirls.So in the process of instructing if only we consciously strengthen the train on the chemical metalearning strategy, can we promptly improve student's improvement on achievement and ability of chemical metalearning.
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