milex 2010 final
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TRANSCRIPT
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I have all of this data—So now what?
Joyce GarczynskiCommunications and Development LibrarianTowson [email protected]
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Session Preview
Learning the lingo of data analysis Preparing data for analysis Using PASW (SPSS) for analysis Thinking beyond the data Testing the analysis waters for
yourself
http://www.flickr.com/photos/jonnowitts/2429136239/
http://www.flickr.com/photos/jmarty/163916810/
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Learning the Lingo
Sample Cases Variable
Independent Variable Dependent Variable
Code Hypothesis
Research Dictionary:
http://bitbucket.icaap.org/
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Getting to Know Your Data
Data Representation Uniformly coded? Coded to maximize analysis?
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Getting to Know Your Data Level of Measurement
Nominal
Ordinal
Scale
http://www.flickr.com/photos/tupwanders/219087623/
http://www.fistockphot.com
http://www.flickr.com/photos/darrenhester/3911529343/
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Importing Data into PASW (SPSS) Importance of using stats program
Import a .csv file or copy and paste
Fill out Variable View
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Running Frequencies
Provides values for each variable
For scale variables, can get average, median, etc.
Check to see if import went correctly
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Running Frequencies
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Running Statistical Tests
Dig deeper into what is happening within your results Formulate hypothesis
Pick the right statistical test Level of Measurement What you are trying to learn▪ Relationship between two variables?▪ Change over time ?
Statistic and significance
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Chi-Square
Tests for relationship between two variables
Can be used with nominal, ordinal or scale variables
Sensitive to sample sizes
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Chi-Square
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Chi-Square
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Thinking Beyond the Data
Other explanations for results? Sample Question wording Other variable▪ Correlation ≠ Causation
Decide what action to be taken
Reviewing other librarians’ research Scavenger hunts
http://www.flickr.com/photos/lipkee/527579330/
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Practice Data Analysis
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Review
Learning the lingo of data analysis Preparing data for analysis Using PASW (SPSS) for analysis Thinking beyond the data Testing the analysis waters for
yourself
http://www.flickr.com/photos/jonnowitts/2429136239/
http://www.flickr.com/photos/jmarty/163916810/
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Questions?