Observation using Rating Scales
Posted on | April 24, 2009 | No Comments
Graphic Scales
- Similar behaviour could be listed on the same scale.
- Drawn horizontally or vertically.
- Easier to construct but not easy to use.
- Must know the child well, interpret behaviour, make objective judgment within limited time.
Numerical scales
- Numerical in form, scored by number of the behaviour that is circled
- Rate children for as long as it takes, can average the scores if observe on daily average
- Number on scale also represent words
Osgood scale aka semantic differential
- Not easy to use
- 7-point range with adjectives of opposite (bipolar) meanings at either end
- A number of traits have to be included to have a comprehensive profile of the child
Advantages:
- Easy to design
- Convenient
- Observe large number of traits at one time or more than one child a a time
- Measure difficult-to-quantify traits e.g. shyness, friendliness
- Anyone can use
- Easier to score and quantify
Disadvantages:
- Closed method
- Only for specific traits/behaviour, will overlook other important traits/behaviour
- Feature negative and also positive side of each trait
- Differentiating between each point and sometimes can be difficult
- Difficult to eliminate bias when judgment needs to be made immediately
- Different people has different way of interpreting a trait or behaviour
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