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The Effect Of Using Concept Map s On Achieving English Grammar ...

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A: the two groups:Table ( 9)T-test results of controlling general achievement in <strong>English</strong> variablescope group N Mean Std. Deviationt.valueSig.valuesig.levelgeneralachievementexperimental 56 682.214 119.348control 57 663.930 133.0630.769 0.444 No sig.“t” table value at (111) d f. at (0.05) sig. level equal 1.98“t” table value at (111) d f. at (0.01) sig. level equal 2.58B: <strong>The</strong> high and low achievers:Table (10)Mann-Whitney Test results of controlling general achievement variablescope Groups NMeanRankSumRanksofMann-WhitneyUSig.valueSig.level<strong>English</strong>achievementhigh achieversin experimentalhigh achieversin control15 15.733 236.00015 15.267 229.000109.000 0.884Nosig.<strong>English</strong>achievementlow achieversin experimentallow achieversin control15 16.367 245.50015 14.633 219.50099.500 0.589Nosig.Tables ( 9) – ( 10) show that there were no statistical differences at( 0.05 ) between the experimental and control subjects due to the generalachievement in <strong>English</strong> variable .4- Previous learning variable :To make sure that the sample subjects are equivalent in their previous<strong>English</strong> language achievement . <strong>The</strong> researcher applied the pre -achievement test . <strong>The</strong> results of the subjects were recorded and statisticallyanalyzed by using T-test and Mann-Whitney Test .109

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