1 Social Science Data Bases CSU Dominguez Hills April 15, 2011 CSU Dominguez Hills

April 15, 2011CSU Dominguez Hills2 Sponsored by

April 15, 2011CSU Dominguez Hills3 Presenters  John L. Korey, Political Science, Cal Poly Pomona  Eugene J. Turner, Geography, CSU Northridge

April 15, 2011CSU Dominguez Hills4 Workshop Agenda  Overview of the SSRIC  Data Archives ICPSR ICPSR Field Field Census Census Roper Roper  Other Data  Other Workshops  Your Feedback

April 15, 2011CSU Dominguez Hills5 SSRIC

April 15, 2011CSU Dominguez Hills6 The Council  Oldest CSU affinity group (since 1972)  Representatives from CSU campuses meet three times per year  Negotiates with data providers for access to data  Promotes use of data analysis in research and teaching

April 15, 2011CSU Dominguez Hills7 The Council  Annual student research conference April 29, San Jose State April 29, San Jose State  Sponsors travel to ICPSR summer workshops in Ann Arbor, Michigan  Field Poll Faculty Fellowship (deadline April 15)

April 15, 2011CSU Dominguez Hills8 Social Science Databases  The California State University subscribes to social science databases to support teaching teaching research research administration administration  Available to campuses by annual subscription

April 15, 2011CSU Dominguez Hills9 Social Science Databases  Assistance from the SSRIC Note: SSRIC members are not staff data consultants or technical assistance providers, but we will do what we can to help students, faculty, and staff to access data Note: SSRIC members are not staff data consultants or technical assistance providers, but we will do what we can to help students, faculty, and staff to access data  Campus representatives

April 15, 2011CSU Dominguez Hills10  Inter-university Consortium for Political and Social Research (ICPSR)  Field Poll  Census Data  Roper Center for Public Opinion Research Social Science Databases

April 15, 2011CSU Dominguez Hills11 Accessing the data bases  On-campus access to data bases is IP authenticated  Off-campus access Field: not available Field: not available Roper: uses library as proxy server -- works just like other library data bases Roper: uses library as proxy server -- works just like other library data bases ICPSR: first time, uses library proxy server, after that, you can access from anywhere but you must reauthenticate every 6 months ICPSR: first time, uses library proxy server, after that, you can access from anywhere but you must reauthenticate every 6 months

April 15, 2011CSU Dominguez Hills12 ICPSR Inter-university Consortium for Political and Social Research

April 15, 2011CSU Dominguez Hills13 ICPSR  Primary social science data archive for the U.S.  Founded in 1962; CSU joined in 1972 Over 600 member institutions worldwide Over 600 member institutions worldwide600 member institutions 600 member institutions  Services Vast data archive accessible via the web (ICPSR Direct) Vast data archive accessible via the web (ICPSR Direct) Summer program Summer program Instructional resources Instructional resources

April 15, 2011CSU Dominguez Hills14 ICPSR Teaching

April 15, 2011CSU Dominguez Hills15 ICPSR

April 15, 2011CSU Dominguez Hills16 ICPSR

April 15, 2011CSU Dominguez Hills17 Using ICPSR Direct  Locate the study  Select the data for download  Download the data  Import the data for statistical analysis

April 15, 2011CSU Dominguez Hills18 Find and Analyze Data Find data Analyze data online Topical archives

April 15, 2011CSU Dominguez Hills19 Searching for Data Type in key words (e.g., gun control) Click search Search terms are not case sensitive if all lower case

April 15, 2011CSU Dominguez Hills20 Search Results Sort by time period (newest) Click on link

April 15, Downloading the data View study description Download all files CSU Dominguez Hills

April 15, 2011CSU Dominguez Hills22 Agree to the Terms of Use

April 15, 2011CSU Dominguez Hills23 Saving the Files

April 15, 2011CSU Dominguez Hills24 Select Files and Place Them Where You Want to Save Them

April 15, 2011CSU Dominguez Hills25 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

April 15, 2011CSU Dominguez Hills26 Open the sav File in SPSS

April 15, 2011CSU Dominguez Hills27 Other Types of Files you Might Encounter  SPSS portable (.por) files Will work on all platforms Will work on all platforms Tell SPSS to look for a.por file Tell SPSS to look for a.por file  Raw data (ASCII) file with SPSS syntax (.sps) file You’ll have to create your own.sav file You’ll have to create your own.sav file See next slide See next slide  Raw data file with only a codebook You’ll have to create your own syntax file You’ll have to create your own syntax file SPSS Intro workshop discusses how to do this SPSS Intro workshop discusses how to do this

April 15, 2011CSU Dominguez Hills28 What’s a Syntax File?  A syntax file is a set of commands to convert a raw ASCII data file into an SPSS system file  ASCII + SPSS syntax file = SPSS system file  For More Information:

April 15, 2011CSU Dominguez Hills29 Other ICPSR Resources  SSRIC ICPSR Guide SSRIC ICPSR Guide SSRIC ICPSR Guide  ICPSR Data Use Tutorial ICPSR Data Use Tutorial ICPSR Data Use Tutorial  Social Science Variables Database Social Science Variables Database Social Science Variables Database

April 15, 2011CSU Dominguez Hills30 The Field Poll

April 15, 2011CSU Dominguez Hills31 The Field (California) Poll  Established in 1947  Independent, non-partisan survey of California public opinion  Wide range of political and social topics  Multiple polls each year Mervin Field

April 15, 2011CSU Dominguez Hills32 Accessing Field Data  Set up your browser  Find polls and data sets  Download data sets

April 15, 2011CSU Dominguez Hills33 Setting up your browser  Requires setting passive FTP access  Can set up browser for folder view or FTP directory view  See the instructions for details:  You will only need to do this once for your browser and user account

April 15, 2011CSU Dominguez Hills34 Finding Polls  Find the poll number Field Poll Archives ( Field Poll Archives ( American Public Opinion Index American Public Opinion Index Check with your library for printed and/or microfiche versions Check with your library for printed and/or microfiche versions The CALPOLL window The CALPOLL window Accessible via UCData Accessible via UCData  You will be using the poll number to select the data set for download.

April 15, 2011CSU Dominguez Hills35 Searching Polls with UCDATA  Uses SDA  Does not include last couple of years  Gives you the frequency distributions of the variables you select

April 15, 2011CSU Dominguez Hills36 UC Data Click on Field Polls

April 15, 2011CSU Dominguez Hills37 Field Polls on UCDATA Click on search

April 15, 2011CSU Dominguez Hills38 Searching I selected 2000’s

April 15, 2011CSU Dominguez Hills39 Keywords Enter gun control

April 15, 2011CSU Dominguez Hills40 Search Results Click View

April 15, 2011CSU Dominguez Hills41 Results from SDA

April 15, 2011CSU Dominguez Hills42 Downloading the Data Click Download

April 15, 2011CSU Dominguez Hills43 Choosing the File Double click cal0003 since you want to download that folder Note that this is directory view

April 15, 2011CSU Dominguez Hills44 Saving the Files

April 15, 2011CSU Dominguez Hills45 Select the Folder

April 15, 2011CSU Dominguez Hills46 Open the Data in SPSS 1 2

April 15, 2011CSU Dominguez Hills47 Other Field Resources  SSRIC Field Poll Guide SSRIC Field Poll Guide SSRIC Field Poll Guide  Field News Releases and California Opinion Indexes Field News Releases and California Opinion Indexes Field News Releases and California Opinion Indexes

April 15, 2011CSU Dominguez Hills48 The U. S. Census of Population and Housing

April 15, 2011CSU Dominguez Hills49 U. S. Census Collections Construction Transportation For. Trade Housing Business Governments Agriculture Mineral Indus. Manufacturing Population – Framers of Constitution – Needed to resolve 2 Issues How to deal with apportionment of power for House How to assess taxes land value, persons?

April 15, 2011CSU Dominguez Hills50 Census of Population and Housing  Began in 1790  U. S. marshals went to each household  Continuing fight over additional social and housing questions – cost  1960 – Most questions in sample questionnaire, Beginning of mailouts and digital tabulation

April 15, 2011CSU Dominguez Hills51 Modern Census Concerns  A. Geography  Data aggregated for different area units  Choice may affect research results  Each level has a unique Summary Level code Selected aggregations by geography Nation Region (4) Division (9) State (52) CountyPlace County SubdivisionTract Block Group Block GroupBlock

April 15, 2011CSU Dominguez Hills52 Modern Census Concerns  B. Question and Tabulation Changes  Race, education, income, age, occupation …. can change between censuses  Need to consult documentation appendices  i.e. Census 2000 allowed people to indicate more than a single race which complicates race tabulations  i.e. Census 2010 socioeconomic data collected in an annual sample  Some questions have a different Universe or population at risk  ie Educational Attainment: Persons 25+ yrs  Categories are defined by Census Bureau  ie Age: 0-4 yrs, 5-9 yrs, 10-14yrs …

April 15, 2011CSU Dominguez Hills53 Census 1990 and 2000 Tabulations A. Some data collected on short form from everyone  Race, age, family characteristics  Reported in Summary Files 1 and 2 B. Some questions collected on long form or sample questionnaire  About 1 in 6 households  Education, income, occupation, ancestry, commuting time, housing tenure, vehicles….  Reported in Summary Files 3 and 4 C. Note SF2 and SF4 also tabulate data for specified race, Hispanic, and Native American groups

April 15, 2011CSU Dominguez Hills54 Census 2010 The American Community Survey A. Will replace SF3 and SF4  ACS has similar questions and data  Some tables have fewer categories B. Based on annual survey of 3 million households  Area units over 65,000 reported each year  Area units over 20,000 reported as 3-year average  Area units less than 20,000 reported as 5-year average

April 15, 2011CSU Dominguez Hills55 Census 2010 The American Community Survey C. Most questions report a Margin of Error  90 percent of values will lie within it  Increases with smaller sample size (ie tracts)  Actual accuracy less than decennial census so data may be more challenging for small areas  First release of 5-year average ( ) in 2010

April 15, 2011CSU Dominguez Hills56 Census Tabulations Public Use Microdata Sample (PUMS) A. 5% and 1% sample of households Are for individuals so users aggregate to categories in software such as SPSS Are for individuals so users aggregate to categories in software such as SPSS Provide great flexibility for analysis Provide great flexibility for analysis B. 5% geography reported for Public Use Microdata Areas of at least 100,000 persons May range from parts of a city to multiple counties May range from parts of a city to multiple counties Some are aggregations of numerous non-contiguous areas Some are aggregations of numerous non-contiguous areas

April 15, 2011CSU Dominguez Hills57

April 15, 2011CSU Dominguez Hills58 Will replace legacy factfinder by fall 2011 Census 2000 will be added in May 2011

April 15, 2011CSU Dominguez Hills59

April 15, Click Topics and select Race and Ethnicity Then select Ancestry CSU Dominguez Hills

April 15, Click Geography and select City or Town Then select Ancestry CSU Dominguez Hills

April 15, At the top window enter: Los Angeles and click Go CSU Dominguez Hills

April 15, Select Los Angeles city, California and click the Add button. Then close the window. CSU Dominguez Hills

April 15, Choose the QT-P13 button and then the View button. CSU Dominguez Hills

April 15, When done, click the Back to Search button CSU Dominguez Hills

April 15, Click the Download button (Ancestry checked) CSU Dominguez Hills

April 15, CSU Dominguez Hills Extract the desired files and open in Excel

April 15, 2011CSU Dominguez Hills68 The IPUMS web site for PUMS data

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April 15, 2011CSU Dominguez Hills70

April 15, 2011CSU Dominguez Hills71 Select the Household menu and the Geographic option.

April 15, 2011CSU Dominguez Hills72 If you later wish to subset data for a particular state or PUMA check the STATEFIP and PUMA buttons. (green check)

April 15, 2011CSU Dominguez Hills73 Select the Person menu and then choose variables from within the list of topics.

April 15, 2011CSU Dominguez Hills74 Here, Race was selected. Note the Codes column for an explanation of content.

April 15, 2011CSU Dominguez Hills75

Race comes in both a General version and a Detailed version. April 15, 2011CSU Dominguez Hills76

April 15, 2011CSU Dominguez Hills77

April 15, 2011CSU Dominguez Hills78 When done, choose the Select Samples button.

April 15, 2011CSU Dominguez Hills79 Deselect the Default U.S. sample button and click the % button for this example. Click the Submit sample selections button

April 15, 2011CSU Dominguez Hills80 Choose the View Cart option.

April 15, 2011CSU Dominguez Hills81 In the Data Cart make sure you have all items. Then click the Check Out button.

April 15, 2011CSU Dominguez Hills82 Enter your to login or to set up a new account.

April 15, 2011CSU Dominguez Hills83 Leave the Extract file type as Rectangular and click Continue.

April 15, 2011CSU Dominguez Hills84 Under the Set variable options window you may limit the scope of the extract with the Select Cases option. Here, choose the Select Cases button under STATEFIP and Continue. The Attach Characteristics option allows you to add characteristics from the mother, father, or spouse to this person.

April 15, 2011CSU Dominguez Hills85 Choose a state [Colorado] from among all states for your extract. Click Continue.

April 15, 2011CSU Dominguez Hills86 Check your extract and make any needed changes. Write a brief description of your extract under the Description window. Click the Submit extract button at the bottom to submit your extract request. Races in different states

April 15, 2011CSU Dominguez Hills87 You may wait awhile for the extract or use the link from an to download your data. You will receive an SPSS syntax file, a codebook of your variables, and the data. Use the SPSS syntax file to convert the data to a SAV file for processing.

April 15, 2011CSU Dominguez Hills88 Census Data at ICPSR

April 15, 2011CSU Dominguez Hills89 Find & Analyze Data

April 15, 2011CSU Dominguez Hills90

April 15, 2011CSU Dominguez Hills91

April 15, 2011CSU Dominguez Hills92 Find & Analyze Data

April 15, 2011CSU Dominguez Hills93 Find & Analyze Data

April 15, 2011CSU Dominguez Hills94 Other ICPSR Demographic Data

April 15, 2011CSU Dominguez Hills95 Other ICPSR Demographic Data

April 15, 2011CSU Dominguez Hills96 The Roper Center for Public Opinion Research

April 15, 2011CSU Dominguez Hills97 Roper Express Roper Explorer iPoll

April 15, 2011CSU Dominguez Hills98 Searching for Data Sets Hover over Quick Links Then click “Search for Datasets”

April 15, 2011CSU Dominguez Hills99 Sign In

April 15, 2011CSU Dominguez Hills100 Sign In

April 15, 2011CSU Dominguez Hills101 Searching for Data Sets  Specify Keywords Keywords Date range Date range Country Country

April 15, 2011CSU Dominguez Hills102 Searching for Data Sets Enter Search Terms Click on “Search”

April 15, 2011CSU Dominguez Hills103 Search Results Download Data Examine Questions Online Analysis

April 15, 2011CSU Dominguez Hills104 Dataset Abstract Study Description Download Data

April 15, 2011CSU Dominguez Hills105 Downloading the Files Click on “Download Dataset” Click on SPSS portable file

April 15, 2011CSU Dominguez Hills106 Downloading the Files

April 15, 2011CSU Dominguez Hills107 What if nothing is available?  Some documentation and/or data sets are not available on-line. If you are interested in one of these, the survey number and the title to: Ed Nelson at

April 15, 2011CSU Dominguez Hills108 View Questions in iPOLL

April 15, 2011CSU Dominguez Hills109 Get Question Details

April 15, 2011CSU Dominguez Hills110 Question Details

April 15, 2011CSU Dominguez Hills111 Online Analysis

April 15, 2011CSU Dominguez Hills112 Run Analysis

April 15, 2011CSU Dominguez Hills113 Analysis - Results

April 15, 2011CSU Dominguez Hills114 More About iPOLL  Data base of over 500,000 questions  Includes frequency distributions allowing students to do trend analysis online  You will not need a user name or password from on- campus, since the CSU will be IP authenticated. You will be prompted for your address

April 15, 2011CSU Dominguez Hills115 Log in to iPOLL

April 15, 2011CSU Dominguez Hills116 Searching iPOLL  Search for keyword  Click on Boolean or Wildcard for help  Let’s search for relig% (note: % is the wildcard)  Select the topic of religion  Use date from 1/1/2000 to today’s date

April 15, 2011CSU Dominguez Hills117 Search

April 15, 2011CSU Dominguez Hills118 Results

April 15, 2011CSU Dominguez Hills119 Instructional Resources Click here Then choose one of these

April 15, 2011CSU Dominguez Hills120 Fundamentals of Polling

April 15, 2011CSU Dominguez Hills121 Analyzing Polls

April 15, 2011CSU Dominguez Hills122 Teaching Tools

April 15, 2011CSU Dominguez Hills123 Other Roper Resources  SSRIC Roper Guide SSRIC Roper Guide SSRIC Roper Guide

April 15, 2011CSU Dominguez Hills124 Other Data

 Instructional Subsets (  Other ( April 15, 2011CSU Dominguez Hills125

April 15, 2011CSU Dominguez Hills126 Other Workshops

April 15, 2011CSU Dominguez Hills127 Workshops on SPSS   SPSS – introductory workshop Creating SPSS data file Transforming data Descriptive statistics   SPSS – intermediate workshop Crosstabulations Using means Correlation and regression Charts

April 15, 2011CSU Dominguez Hills128 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

April 15, 2011CSU Dominguez Hills129 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?

April 15, 2011CSU Dominguez Hills130 Feedback? Please fill out an evaluation form. Thanks!