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The Effects of the Probability Activities in Thinking Science Program on the Development of the Probabilistic Thinking of Middle School Students
The Effects of the Probability Activities in Thinking Science Program on the Development of the Probabilistic Thinking of Middle School Students
Journal of the Korean Chemical Society. 2003. Apr, 47(2): 165-174
  • Published : April 20, 2003
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Shin, Kyung-In
Lee, Sang-Kwon
Shin, Ae-Kyung
Choi, Byung-Soon

Abstract
The purposes of this study were to investigate the correlation between the cognitive level and the probabilistic thinking level and to analyze the effects of the probability activities in Thinking Science (TS) program on the development of probabilistic thinking. The 219 7th grade students were sampled in the middle school and were divided into an experimental group and a control group. The probability activities in TS program were implemented to the experimental group, while only normal curriculum was conducted in the control group. The results of this study showed that most of 7th grade students were in the concrete operational stage and used both subjective and quantitative strategy simultaneously in probability problem solving. It was also found that the higher the cognitive level of the students, the higher the probabilistic thinking level of them. The sample space and the probability of an event in the constructs of probability were first developed as compared to the probability comparisons and the conditional probability. The probability activities encouraged the students to use quantitative strategy in probability problem solving and to recognize probability of an event. Especially, the effectiveness was relatively higher for the students in the mid concrete operational stage than those in any other stage.
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