Rating scale

Rating scale

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  RATING SCALE BY ULFATAMIN MSC NURSING IST YEAR
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  Slide Title
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  Introduction Rating scale isan important technique of evaluation. Rating is the assessment of one person by another person. This is one of the oldest methods of personality assessment. Rating is a term applied to expression of opinion or judgment regarding some situation, object or character. Opinions are usually expressed on a scale or value.
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  Definition A rating scaleis a set of categories designed to elicit information about a quantitative or a qualitative attribute. Rating scale refers to a scale with a set of opinions, which describes varying degree of the dimensions of an attitude being observed. Rating scale is a device by which judgements may be qualified or an opinion concerning a trait can be systematized.
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  TYPES OF RATINGSCALE 1. Numerical Rating Scale 2. Graphic rating scale
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  3. Descriptive RatingScale
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  4. Comparative RatingScale
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  Characteristics of ratingscale • Are valuable judgements about attributes of one person by another person. • Most commonly used tools to carry out structured observations. • Make quantitative judgements about qualitative attributes. • Provide flexibility to judge the level of performance or presence of attributes among subjects.
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  Guilford (1954) identifiedthat rating scale must have following basic characteristics, which must be taken care of while constructing a rating scale. –Clarity –Relevance –Variety –Objectivity –Uniqueness
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  Steps in developinga rating scale • Identify the course objectives. • List the specific objectives. • Enumerate the terminal/behavioral objectives. • Describe the rating in qualitative and quantitative terms. • Summarize the ratings by adding the scores. • In order to place the students in different categories, calculate total score.
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  ADVANTAGES OF RATINGSCALE • Records qualitative and quantitative judgments about observed performance. • Measure specified outcomes or objectives of education deemed to be significant or important to teacher. • Evaluate procedures such as playing an instrument, operating an equipment or machine, demonstrating the nursing procedure. • Evaluate products such as typed letter, responses of demonstration, sample of diagram, charts etc. • Help teachers to rate students periodically on various characteristics such as punctuality, honesty, cheerfulness and other personal traits. • Adaptable and flexible. • Used within a large number of students. • Reduce the subjectivity and unreliability .
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  DISADVANTAGES OF RATINGSCALE • It is difficult to fix up rating about many aspects of an individual. • Misuse can result in decreased objectivity. • Due to chances of subjective evaluation, scales may become unscientific and unreliable. • Lack of uniformity with which terms are interpreted by the evaluator. • Common sources of errors in rating scales, that affect the validity of a rater, they are : 1. Ambiguity. 2. Attitude of the rater 3. Personality of the rater; Halo effect; personal bias; logical errors 4.Opportunity for adequate observation.
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  DISADVANTAGES OF RATINGSCALE Common sources of errors in rating scales, that affect the validity of a rater, they are : 1. Ambiguity. 2. Attitude of the rater 3. Personality of the rater; Halo effect; personal bias; logical errors 4. Opportunity for adequate observation.
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  Conclusion Now I concludemy topic, I discussed about rating scale, different types of rating scales, characteristics, advantages and disadvantages of rating scales.
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  BIBLIOGRAPY • Basavanthappa BT.“Nursing research”.2nd edition.Jaypee.pno.467- 471,2007 • NEERAJA K.P, “Textbook of nursing education” ist edi, jaypee brothers, pno 419-420 • Laura.A.Talbot. “principle and practice of nursing research”. Mosby’s publications.pp no.189-190. • Polite. Hunglar “ nursing research principles and methods”.Lippincott company.Pno.279-284 • Shankararnarayan B Sindhu B, “Learning and teaching nursing 2nd edi, Pno 161-171, 180-181.