The question is how do I design a basic experiment that would allow us to establish a cause-effect relationship between number of hours worked per week and lower college graduation rates? It must have these components: a manupulated independent variable, a dependent variable, control for extraneous variables, an experimental group and a conrol group and random sampling and random assignment.
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No one is going to do your work for you. Did you bother to read bobpursley's response to your first post?
thank you
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