PSY
315 Week 5 DQ
Watch Segment 7, “Correlational Method” of
the “Exploring Qualitative Methods” video, located in this week’s
Electronic Reserve Readings.
1. If there was a perfect relationship between two
variables, what would the scatterplot look like? (Use for question two also).
2. Why?
3. Does a negative
correlation mean there is a weaker relationship between two variables? (Use for
question 4 also)
4. Why or why not?
5. Explain three assumptions for the evaluation of a
correlation coefficient.
6. Explain three
limitations for evaluation a correlation coefficient.
7. Explain when you would
use a Spearman and a point-biserial.
8. Explain when you would
use a phi correlation coefficient.
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