The first form of numerical rating scales can be traced to A) Aristotle in the 4^th century B.C. B) Galen in the 2^nd century C) Al-kindi in the 15^th century D) Galton in the 19^th century

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The Answer of The first form of numerical rating scales can be traced to A) Aristotle in the 4^th century B.C. B) Galen in the 2^nd century C) Al-kindi in the 15^th century D) Galton in the 19^th century

The First Form of Numerical Rating Scales Can Be Traced