Page 303 - DEDU502_GUIDANCE_AND_COUNSELING_ENGLISH

Unit 28: Rating Scale

28.2.4 Forced choice Scale Notes
It has been observed that in the descriptive and illustrative. Comparative order determination the
evaluator can not watch for his finding with any degrees of certainty. To overcome this shortcoming
forced choice scale is used. In this method the evaluator has to select one pair among pairs of two
atternative each. This method helps in knowing a person’s view with certainty.

28.3 Suggestions for the Construction of Rating Scale

(i) The first step is fixing the number of graduations for a scale. If the graduations are few, the
evaluator does not get the chance to make fine distinctions. But it the number of gradations is
increased than probably the evaluator will not be able to use all of them. According to symonds,
the number of gradations should be seven
(ii) The statements used should be objectively defined. The evaluator should get the chance to
observe the qualities of the individual in different sitations.
(iii) Instructions for the use of rating scales should be clear.
(iv) The evaluator should be trained and intalligant.

28.4 Advantages of Rating Scale

(i) This method acquints the teacher with a student’s working.
(ii) By Compiling a student’s progress report, it helps parents to know about there childs abilities
further on its bases, a students rank is the class can be menthioned.
(iii) On the bases of the conclusions drawn by this method, a student become aware of his
shortcoming and is inspired to over come from them.
(iv) Conclusions based on this method help administration in taking appropriate docisions is matter
of appointments transfers, promotions etc.
(v) This method helps selecting childern for admission.

What is graphic scale ? Give the principal of graphic scale

28.5 Disadvantages of Rating Scale

There are certain drawbacks of rating scale. They are as follows.
(1) The error of lieniency : If the evaluator is acquinted with the individuals being evaluatoed
there can be lieniency in gudgement.
(2) Halo effect : According to this effect , once a person gets influenced by someone the that
impression persibts.
(3) Logical Error : When an evaluate finds similarity between the performance of two young stars,
he gives the same grading. This type of evaluation can not be importial.
(4) Different between the Quality of judgment of two Different evaluators : It is natural that
there would be difference between the evaluations done by two different evaluators. Because
they being two different individuals their evaluation capabilities are bound to be different
from each other.
(5) These ratings are subjective, hance are not fully reliable.

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