A study was conducted to find out whether participation in meditation influences well-being in children. Hence a group of children who had not participated in meditation before but were now planning to begin participating in meditation were given a well-being scale before they began meditation. The children were administered the same test again after 2 months of meditation. Well-being was measured on an interval scale, with higher scores indicating higher well-being. The scores on the scale were normally distributed. The scores (Before → After) are: 4 → 6, 8 → 5, 10 → 11, 12 → 10, 14 → 15, 16 → 17, 18 → 16.
Which of the following is correct about the interval scale?
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Correct answer: C. Identity. Magnitude and equal unit size are its properties
Explanation
An interval scale has identity, magnitude and equal units but no absolute zero.
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