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Table 1 Answers to the same question using different material (different parts omitted)

From: Investigation about representations used in teaching to prevent misconceptions regarding inverse proportionality

Type of picture: which part omitted Complete picture, nothing omitted A. Vectors omitted B. Drawing omitted C. Formula omitted
Answer Number of students % No. of students % No. of students % No. of students %
Last longer 16 29 7 50 0 0 11 22
Last shorter 0 0 2 14 2 9 2 4
Equal time 28 51 5 36 19 83 29 58
Failed to answer 11 20 0 0 2 9 8 16
Total in a group 55 100 14 100 23 101 50 100