The Effectiveness of the Numbered Heads Together (NHT) Strategy on Scientific Concepts Acquisition for Eighth Grade Students
DOI:
https://doi.org/10.21271/mj.1.0.7Keywords:
Numbered Heads Together NHT Strategy, Acquisition of Scientific Concepts, Eighth Graders.Abstract
The study focused on investigating the effectiveness of the Numbered Heads Together (NHT) strategy on scientific concepts acquisition by eighth-grade students. The design of the experiment was a post-test one with two equivalent groups. The sample consisted of seventy-two eighth-grade female students from Parwa Girls' School randomly assigned to the experimental group (35) taught using NHT, and control group (37) taught conventionally. An established 28-item Scientific Concepts Acquisition Test was used to assess the outcomes, which were ensured for reliability using the Kuder-Richardson (0.77) and Parallel-Forms (0.85) methods. The experiment spanned over 32 lesson plans for seven weeks. Results showed a significant difference (p ≤ 0.05) in favor of the experimental group. This finding evidently supports the cooperative learning strategies, such as NHT, in improving the understanding of concepts, engagement, and interest in science. Future studies may establish the long-term effects and use of the NHT across other subjects and levels.
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