Choosing the Correct Statistical Algorithm

This course only covers a very limited amount of statistical tests and methods. Still, it is important to realize that the type of statistics you can use depends on the type (or scale, if you will) of the dependent variable. Recall the distinction between categorical and continuous variables which was in the reading material for day 1.

To simplify that discussion for the methods learnt during this course, if you have

  • one variable, which is continuous: choose Analyze/Descriptive Statistics/Descriptives
  • one variable, which is categorical: choose Analyze/Descriptive Statistics/Frequencies
  • two variables, which are categorical: choose crosstabs
  • two variables, which are continuous: choose correlation & scatterplots

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