GCU PSY520 Week 1 Discussion
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.
GCU PSY520 Week 2 Discussion
PSY520 Graduate
Statistics
Week 2
Discussion
DQ1 The process of random sampling guarantees that the
sample selected will be representative of the population. Is this statement
true? Discuss.
DQ2 Review the video on Normal Distribution in the
Calculations section of the “Statistics Visual Learner” media piece.
Bob compares his SAT Verbal score of 400 to Marge’s ACT
Verbal score of 20. “I beat you,” he exclaims. “My score is 20
times your score!” Although his multiplication is good, his logic is
faulty. Explain why.
