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!