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

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A: <strong>The</strong> two groupstable ( 5 )T-test results of controlling age variablescope group N Mean Std. Deviation tSig.valuesig.levelAgeexperimental 56 15.449 0.588control 57 15.548 0.3741.078 0.284 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 ( 6 )Mann Whitney test results of controlling age variablescope Groups NMeanRankSumRanksofMannWhitney USig.valueSig.levelAgehigh achieversin experimentalhigh achieversin control15 16.033 240.50015 14.967 224.500104.500 0.737Nosig.Agelow achieversin experimentallow achieversin control15 12.867 193.00015 18.133 272.00073.000 0.100Nosig.Tables (5 ) - ( 6 ) indicate that there were no statistically significantdifferences at ( 0.05 ) level between the experimental and control groupaccording to age variable .2- General achievement variable :T-test and Mann Whitney test were used to measure the statisticaldifferences between the groups due to their general achievement .<strong>The</strong>subjects′ results in the second term test of the school year ( 2006 – 2007 )were recorded and analysed107

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