Compare and contrast Stevens’s four scales of measurement

Compare and contrast Stevens’s four scales of measurement

Compare and contrast Stevens’s four scales of measurement

PSY520 Graduate Statistics

Week 1
Discussion

DQ1 Review the levels of measurement terms in the Statistics
Visual Learner media piece. Compare and contrast Stevens’s four scales of
measurement, and explain when each type of scale should be used.

DQ2 The professor teaching a large introductory class gives
a final exam that has alternate forms, A, B, and C. A student taking the exam
using Form B is upset because she claims that Form B is much harder than Forms
A and C. Discuss how percentile point data might be useful to determine if the
student is correct.

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