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Author Question: Which one of the following best characterizes how confidence intervals are used in reporting ... (Read 81 times)

swpotter12

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Which one of the following best characterizes how confidence intervals are used in reporting students' scores on standardized tests?
 
  a. They indicate the norm group to which students are being compared.
  b. They show the range of 10 percentile points within which each student's score falls.
  c. They indicate how likely it is that each student has mastered a particular topic.
  d. They show the range within which each student's actual ability level probably lies.

Question 2

A student's test performance is sometimes indicated by a confidence interval rather than by a single score. The rationale behind this practice is that:
 
  a. The computation of a single score is not possible for some tests.
  b. A single test score is almost always subject to error.
  c. Some tests have extremely vague scoring criteria.
  d. Tests typically have low reliability.


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sultansheikh

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