A rating scale is a tool used for assessing the performance of tasks, skill levels, procedures, processes, qualities, quantities, or end products, such as reports, drawings, and computer programs. These are judged at a defined level within a stated range. Rating scales are similar to checklists except that they indicate the degree of accomplishment rather than just yes or no. Hence rating scale used to determine the degree to which the child exhibits a behaviour or the quality of that behavior; each trait is rated on a continuum, the observer decides where the child fits on the scale overall rating scale focuses on:
• Make a qualitative judgment about the extent to which a behavior is present
• Consist of a set of characteristics or qualities to be judged by using a systematic procedure
• Numerical and graphic rating scales are used most frequently
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