Notes for Test 2 - Tuesday February 8, 2011 Creating the...

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Creating the Data Set Code all data Enter data into computer Handling missing data - Leave blank, or use special code - Often coded as 9 or 99 Cleaning the Data (finding errors) Visually examine data set Run frequencies on all variables o How often did something occur? o Do the answers make sense? Over view of Statistics Describing one variable o Mean, median, mode o Variation (frequency distribution or standard deviation) o Report the stats Show the frequencies Pie chart/bar chart Causation – you believe that one variable influences the other Ex. Advertising increases attendance Correlation – measure of association Causal relationships have an independent and dependent variable The independent variable comes first; it is the “cause” The dependent variable comes second; its value depends on the other; it is the “effect” Qualitative Inquiry February 22 nd , 2011 Getting to the bottom of things Families who share dinner regularly have lower rates of substance abuse How was this conclusion created? o Large social survey o Yielded correlation between family dinner and substance abuse How might we learn more? If we spend time observing and interviewing different types of families, what other kinds of questions can we ask? o
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Notes for Test 2 - Tuesday February 8, 2011 Creating the...

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