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Table 11 Quality assessment criterion

From: Big data in education: a state of the art, limitations, and future research directions

R ID QA1 QA2 QA3 QA4 Total Score
R1 2 0 2 2 6
R2 2 0 1 2 5
R3 2 2 2 2 8
R4 2 0 1 2 5
R5 2 0 2 2 6
R6 2 2 1 2 7
R7 2 0 2 2 6
R8 2 0 1 2 5
R9 2 0 1 2 5
R10 2 0 2 2 6
R11 2 0 2 2 6
R12 2 0 2 2 6
R13 2 0 2 2 6
R14 2 0 2 2 6
R15 2 0 2 2 6
R16 2 0 2 2 6
R17 2 0 2 2 6
R18 2 0 2 2 6
R19 2 0 2 2 6
R20 2 0 2 2 6
R21 2 2 2 2 8
R22 2 0 2 2 6
R23 2 0 2 2 6
R24 2 0 2 2 6
R25 2 0 2 2 6
R26 2 0 2 2 6
R27 2 0 1 2 5
R28 2 2 2 2 8
R29 2 0 1 2 5
R30 2 2 1 0 5
R31 2 0 1 2 5
R32 2 0 2 1 5
R33 2 2 2 2 8
R34 2 2 2 2 8
R35 2 1 2 0 5
R36 2 2 1 0 5
R37 2 2 1 2 7
R38 2 0 2 1 5
R39 2 2 2 2 8
R40 2 1 0 2 5