Question: 9qrd,10qrd,11qrd 9. Explain the differences among correlation, experimentation, ethnography, and content analysis as ways of collecting data. What strengths and limitations does each entail? 10.

9. Explain the differences among correlation, experimentation, ethnography, and content analysis as 9qrd,10qrd,11qrd

9. Explain the differences among correlation, experimentation, ethnography, and content analysis as ways of collecting data. What strengths and limitations does each entail? 10. What is the difference between probability sampling and convenience sam- pling? What is the relationship between the kind of sampling used in a study and the generalizability of the results of the study? 11. What does it mean if two variables have a correlation of r .40? What does it mean if two variables have a correlation of r= -60? Which of those two correlations represents the stronger relationship?

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