The formula to calculate R is the power breakdown.RU is the number of students in the highest group was answered. RL is the number of students in the lowest group, the answer is. N is the number of students in a group is higher or lower group.Acceptable discriminating power basis will be between 0.20-1.00 0.20 lower resolution powers if it wants to improve the quiz or cut;(Ubon Glass PIN)1. when the examination number 10 deals, specialist 5 people evaluate consistency between the texts in question with the purpose to measure the following data was found.That the experts 1-1 5, a compliance assessment + 1 + 1 + 1 + 1, and 0.2 experts at 1-5, a compliance assessment + 1 + 10 + 1 and + 1.3 experts at 1-5, a compliance assessment-1 + 10 + 1 and + 1.4 the experts 1-5, a consistent assessment + 1-1 + 1 + 1, and 0.5 experts who 1-5, compliance assessment is + 1 + 1 + 1 + 1 and + 1.6 experts at 1-5, compliance assessment is 0 + 1 + 1 + 1 and-1.Article 7 the experts at 1-5, a compliance assessment-1 + 1 + 1 + 1 and + 1.8 experts at 1-5, a consistent assessment + 1 + 10 + 1 and + 1.Article 9 experts at 1-5, a compliance assessment + 1 + 1 + 1 + 1 and-1.10 experts who 1-5, compliance assessment is + 1 + 1 + 1 + 1, and 0.The experts who included IOC What it means 1 2 3 4 5 1 + 1 + 1 + 1 + 1 0 4 0.8 precision-oriented content.2 + 1 + 1 + 1 + 1 0 4 0.8 precision-oriented content.3 1 1 0 + 1 +-+ 2 1 0.4 no precision-oriented content.4 + 1-1 + 1 + 2 0 1 0.4 no precision-oriented content.5 + 1 + 1 + 1 + 1 + 1 5 1 precision-oriented content.6 0 1 1 + + 1 + + 1 4 0.8 precision-oriented content.7-1 + 1 + 1 + 1 + 1 3 0.6 precision-oriented content.8 + 1 + 1 + 1 + 1 0 4 0.8 precision-oriented content.9 + 1 + 1 + 1 + 1-1 3 0.6 precision-oriented content.10 + 1 + 1 + 1 + 1 0 4 0.8 precision-oriented content. How to find the IOC are as follows:IOC = When the IOC instead of consistency between examination with the aim. R instead of specialists. Represents the sum of the scores and comments of experts. N represents the number of specialists.1. IOC = = 0.8 accuracy-oriented content can be used.2. IOC = = 0.8 accuracy-oriented content can be used.3. There are no IOC 0.4 ==. precision-oriented content can no longer be applied.4. There are no IOC 0.4 == precision-oriented content can no longer be applied.5. the IOC == 1 precision-oriented content can be used.6. IOC = = 0.8 accuracy-oriented content can be used.Verse 7. IOC = = 0.6 precision-oriented content can be used.8. IOC = = 0.8 accuracy-oriented content can be used.9. IOC = = 0.6 precision-oriented content can be used.10. IOC = = 0.8 accuracy-oriented content can be used.
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