Why are standard scores often preferred to percentile scores? ...

[lilldybug07]

Why are standard scores often preferred to percentile scores?
 
  a. Because they are a more accurate reflection of differences among students
  b. Because they always have a mean of 100 and a standard deviation of 15
  c. Because they give us a better idea of what students do and do not know
  d. Because they are usually easier for parents to understand

Question 2

What is the major drawback of using percentile scores to describe students' performance on a standardized test?
 
  a. Percentiles prevent comparisons between students' own performance and that of classmatescompariso ns that standard scores allow.
  b. Percentiles tend to underestimate how much students have actually learned.
  c. Because most students get fairly low scores, they become easily discouraged and their self-efficacy decreases.
  d. Students in the middle range can be quite similar in achievement and yet have scores that are somewhat dissimilar.

[popopong]

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[Mybad129]

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