Question- What do you know about rating scale?

Ans.

Rating scale is a technique through which an assessor categorizes the objects, events or persons on a scale, represented by a series of continuous numerals or letters. This technique is a subjective method. Rating is basically a term applied to an expression of opinion or judgement regarding some situation, object, character or an attribute. Rating scale refers to a scale with a set of points which describe varying degrees of dimension of an attribute being observed. In a typical numerical scale, a sequence of definite numbers is supplied to the rater or the observer. The observer assigns, to each stimulus to be rated, an appropriate number corresponding to those definitions or descriptions. In a rating scale, we can use three points, five points, seven points or nine points scale. It is always useful to have an odd number of points in a scale like 3, 5 and 7, so that there could be a middle (neutral) one, a favourable one and an unfavourable one. Numerical rating scales are the easiest to construct and to apply. They are also the simplest in terms of handling the results.

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