social science data bases csu fresno october 30, 2009
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Social ScienceSocial ScienceData BasesData Bases
CSU FresnoCSU Fresno
October 30, 2009October 30, 2009
Sponsored by Sponsored by
http://www.ssric.org
Workshop AgendaWorkshop Agenda Overview of the SSRICOverview of the SSRIC Data ArchivesData Archives
ICPSRICPSR FieldField RoperRoper
Other WorkshopsOther Workshops
SSRIChttp://www.ssric.org
The CouncilThe Council Oldest CSU affinity group (since 1972)Oldest CSU affinity group (since 1972) Representatives from CSU campuses meet Representatives from CSU campuses meet
three times per yearthree times per year Negotiates with data providers for access to Negotiates with data providers for access to
datadata Promotes use of data analysis in research Promotes use of data analysis in research
and teachingand teaching
The CouncilThe Council Annual student research conferenceAnnual student research conference
at Sacramento in 2009at Sacramento in 2009 at Pomona in 2010 at Pomona in 2010
Sponsors travel to ICPSR summer workshops Sponsors travel to ICPSR summer workshops in Ann Arbor, Michiganin Ann Arbor, Michigan http://www.ssric.org/participate/icpsr_summerhttp://www.ssric.org/participate/icpsr_summer
Works with Field ResearchWorks with Field Research Question creditsQuestion credits Faculty fellowFaculty fellow
Social Science DatabasesSocial Science Databases
The California State University subscribes to The California State University subscribes to social science databases to supportsocial science databases to support teachingteaching researchresearch administrationadministration
Available to campuses by annual subscriptionAvailable to campuses by annual subscription
Social Science DatabasesSocial Science Databases Assistance from the SSRICAssistance from the SSRIC
Note:Note: SSRIC members are not staff data SSRIC members are not staff data consultants or technical assistance consultants or technical assistance providers, but we will do what we can to providers, but we will do what we can to help students, faculty and staff to access help students, faculty and staff to access datadata
Campus representativesCampus representativeshttp://www.ssric.org/reps http://www.ssric.org/reps
Inter-university Consortium for Political Inter-university Consortium for Political and Social Research (ICPSR)and Social Research (ICPSR)
Field PollField Poll Roper Center for Public Opinion ResearchRoper Center for Public Opinion Research
Social Science DatabasesSocial Science Databases
Accessing the data basesAccessing the data bases On-campus access to data bases is IP On-campus access to data bases is IP
authenticatedauthenticated Off-campus accessOff-campus access
Field: not availableField: not available Roper: uses library as proxy server -- works Roper: uses library as proxy server -- works
just like other library data bases just like other library data bases ICPSR: ICPSR:
first time, uses library proxy serverfirst time, uses library proxy server after that, you can access from anywhere after that, you can access from anywhere
but you must reauthenticate every 6 monthsbut you must reauthenticate every 6 months
ICPSRICPSR
Inter-university Consortium for Inter-university Consortium for Political and Social ResearchPolitical and Social Research
ICPSRICPSR Primary social science data archive for the U.S.Primary social science data archive for the U.S. Founded in 1962; CSU joined in 1972Founded in 1962; CSU joined in 1972
Over 600 member institutions worldwideOver 600 member institutions worldwide ServicesServices
Vast data archive accessible via the web Vast data archive accessible via the web (ICPSR Direct)(ICPSR Direct)
Summer programSummer program Instructional resourcesInstructional resources
http://icpsr.org
Find data Teaching
Using ICPSR DirectUsing ICPSR Direct Locate the study Locate the study Select the data for downloadSelect the data for download Download the dataDownload the data Import the data for statistical analysisImport the data for statistical analysis
Find and Analyze Data
Find data
Analyze data online
Topical archives
Searching for Data
•Type in key words (e.g., gun control)•Click search
Search terms are not case sensitive if all lower case
Search Results
Sort by time period (newest)
Click on link
Downloading the data
View study description
Download all files
Agree to the Terms of Use
Saving the Files
Select Folder Where you Want to Save it
Unzip the File
The file has been saved as a zip file Unzip it by double clicking on the file name
(xxxxx.zip) Extract all the files
What’s in the File?
Look in the layers of subfolders until you find the DS0001 folder
It will include the: Codebook (pdf file) Questionnaire (pdf file) SPSS file (in this case, it’s a .sav file) Other files
Open the File in SPSS
Other Types of Files you Other Types of Files you Might EncounterMight Encounter
SPSS portable (.por) filesSPSS portable (.por) files Will work on all platformsWill work on all platforms Tell SPSS to look for a .por fileTell SPSS to look for a .por file
Raw data (ASCII) file with SPSS syntax (.sps) fileRaw data (ASCII) file with SPSS syntax (.sps) file You’ll have to create your own .sav fileYou’ll have to create your own .sav file See next slideSee next slide
Raw data file with only a codebookRaw data file with only a codebook You’ll have to create your own syntax fileYou’ll have to create your own syntax file SPSS Intro workshop discusses how to do thisSPSS Intro workshop discusses how to do this
What’s a Syntax File?What’s a Syntax File? A syntax file is a set of commands to convert a raw A syntax file is a set of commands to convert a raw
ASCII data file into an SPSS system fileASCII data file into an SPSS system file ASCII + SPSS syntax file = SPSS system fileASCII + SPSS syntax file = SPSS system file For More Information: For More Information:
http://www.ssric.org/data/icpsr_direct#syntaxhttp://www.ssric.org/data/icpsr_direct#syntax
Other ICPSR ResourcesOther ICPSR Resources SSRIC ICPSR GuideSSRIC ICPSR Guide
ICPSR Data Use TutorialICPSR Data Use Tutorial
Social Science Variables DatabaseSocial Science Variables Database
The Field PollThe Field Poll
The Field (California) PollThe Field (California) Poll Established in 1947Established in 1947 Independent, non-partisan survey Independent, non-partisan survey
of California public opinionof California public opinion Wide range of political and social Wide range of political and social
topicstopics Multiple polls each yearMultiple polls each year
Mervin FieldMervin Field
http://www.field.comhttp://www.field.com
Accessing Field DataAccessing Field Data Set up your browser Set up your browser Find polls and data setsFind polls and data sets Download data setsDownload data sets
Setting up your browserSetting up your browser Requires setting Requires setting passive FTP accesspassive FTP access
Can set up browser for Can set up browser for folder viewfolder view or or FTP FTP directory viewdirectory view
See the instructions for details:See the instructions for details:http://www.ssric.org/data/field_polls http://www.ssric.org/data/field_polls
You will only need to do this once for your You will only need to do this once for your browser and user accountbrowser and user account
Finding PollsFinding Polls Find the poll number Find the poll number
News Releases (www.field.com)News Releases (www.field.com) American Public Opinion IndexAmerican Public Opinion Index
Check with your library for printed Check with your library for printed and/or microfiche versionsand/or microfiche versions
The CALPOLL windowThe CALPOLL window Accessible via UCDataAccessible via UCData
You will be using the poll number to select You will be using the poll number to select the data set for download.the data set for download.
Searching Polls with UCDATASearching Polls with UCDATA
Uses SDAUses SDA Does not include last couple of yearsDoes not include last couple of years Gives you the frequency distributions of the Gives you the frequency distributions of the
variables you selectvariables you select
UC Datahttp://ucdata.berkeley.edu
Click on Field Polls
Field Polls on UCDATA
Click on search
Searching
I selected 2000’s
Keywords
Enter gun control
Search Results
Click View
Results from SDA
Downloading the Data
Click Download
Choosing the File
Double click cal0003 since you want to download that folder
Note that this is directory view
Saving the Files
Select the Folder
Open the Data in SPSSOpen the Data in SPSS
1
2
Other Field ResourcesOther Field Resources SSRIC Field Poll GuideSSRIC Field Poll Guide Field News Releases and California Opinion Field News Releases and California Opinion
IndexesIndexes
The Roper Center for The Roper Center for Public Opinion Public Opinion
ResearchResearch
http://www.ropercenter.uconn.eduhttp://www.ropercenter.uconn.edu
Access to iPOLL
Access to Roper Express Data
Searching for Data SetsSearching for Data Sets
Click Quick Links
Then click search for datasets
Searching for Data SetsSearching for Data Sets
SpecifySpecify KeywordsKeywords Date rangeDate range CountryCountry
Searching for Data SetsSearching for Data Sets
Enter keywords(gun control)
Search ResultsSearch ResultsClicking here brings up
study descriptionStudy available on
Roper Express
Study DescriptionStudy Description
Downloading the FilesDownloading the Files
Study documentation
Download SPSS Portable (.por) file
Frequencies
What if nothing is available?What if nothing is available?
Some documentation and/or data sets are not available Some documentation and/or data sets are not available on-line. If you are interested in one of these, email the on-line. If you are interested in one of these, email the survey number and the title to:survey number and the title to:
Ed Nelson at ednelson@csufresno.eduEd Nelson at ednelson@csufresno.edu
Saving the File
Where to Save it
Opening the .por filein SPSS
Note that I have toldSPSS to look for a .por file
SPSS File
iPOLLiPOLL
Data base of over 500,000 questionsData base of over 500,000 questions
Includes frequency distributions allowing students Includes frequency distributions allowing students to do trend analysis onlineto do trend analysis online
You will not need a user name or password from on-You will not need a user name or password from on-campus, since the CSU will be IP authenticated. campus, since the CSU will be IP authenticated. You will be prompted for your email addressYou will be prompted for your email address
Login to iPOLL
Your email address is your login
Searching iPOLLSearching iPOLL
Search for keywordSearch for keyword
Click on Boolean or Wildcard for helpClick on Boolean or Wildcard for help
Let’s search for relig% (note: % is the Let’s search for relig% (note: % is the wildcard)wildcard)
Select the topic of religionSelect the topic of religion
Use date from 1/1/2000 to today’s dateUse date from 1/1/2000 to today’s date
Search
Results
Click for question wordingand frequencies
Reviewing iPOLL ResultsReviewing iPOLL Results
Polls and Polling ResourcesPolls and Polling Resources
Polling resources
Polling 101
Other Roper ResourcesOther Roper Resources SSRIC Roper GuideSSRIC Roper Guide
Other Workshops
Workshops on SPSS
SPSS – introductory workshop Creating SPSS data file Transforming data Descriptive statistics
SPSS – intermediate workshop Crosstabulations Using means Correlation and regression Charts
Workshop on Online Statistical Analysis
SDA (Survey Documentation and Analysis) Requires no site license Extremely easy to learn Excellent for classes where you want to
introduce students to statistical analysis Tools available – frequencies,
crosstabulations, correlation and regression
Workshop on Data in the Classroom
Statistical literacy – issues and examples Causality Experimental and survey design Unintentional consequences Sampling and statistical inference Change over time
Where do we get the data?
Feedback?Feedback?
Please fill out an evaluation form.Please fill out an evaluation form.
Thanks!Thanks!
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