Abstract
The study effectiveness of teaching with two strategies from the constructivist theory in the achievement of Arabic grammar subjects literary students through investigating zero hypothesis: and the second experimental group study the Arabic grammar with two strategies from the constructivist theory and the control group that study in way in the achievement test. The research sample reached 120 students. After analyzing the data statistically, it was found of the two experimental groups studied the strategies of Yacker and Baby over studied - method in the post-achievement test.
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