Table 13

Number of Instruments Used in Studies Published (2000-2010)

20002001200220032004200520062007200820092010Grand Total%
Observation  1111   43112.50
Test  1     11 30.68
Survey129558151448188920.23
Scale 2 464103211096915.68
Document12916132018312927251621649.09
Interview 31227 4667388.64
Case study    31     40.91
Reflection paper     1     10.23
Focus group      2113 71.59
Evaluation form  1 1      20.45
Grand Total1316292538405851605753440 

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