WLS Documentation
WLS Codebooks
The WLS study team publishes electronic codebooks via an online Portal. This advanced platform is based on the DDI-Lifecycle metadata standard and supports integrated documentation of longitudinal datasets like WLS. Researchers can efficiently navigate and search over 14,000 variables, exploring richly-described metadata, longitudinal variable harmonization, and downloading customized documentation.
Below you will find the survey instruments for all rounds of data collection. These can range from copies of physical materials given to participants (like SAQs and consent forms), to graphical representations of interview-questions (we call these flowcharts) asked of participants during telephone or in-person interviews.
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A self administered questionnaire, filled out in school, by graduating students from almost all Wisconsin high schools in 1957. A random one-third becoming the WLS sample.
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A postcard questionnaire sent to the parents of the graduates; focused on further education and work since high school.
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The first major telephone interview for the graduates. Delving deeper into the socio-demographics of the sample. Also adding a selected sibling sample.
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A multi-mode survey of interviews and mailed SAQs for the graduates and their selected siblings. Further following up on education, work, wealth, and family. Also expanding into health and cognition.
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Another large multi-mode survey of interviews and mailed SAQs. Maintaining the collection of all core WLS concepts with a stronger focus on health and cognition. Also added a one-time interview with a spouse sample.
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Yet another large multi-mode survey of interviews and mailed SAQs for the aging graduates and siblings. Pushing further into all aspects of the WLS core concepts and shifting towards others surrounding later life.
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The link below compiles all of the survey instruments that were used to collect data from participants of the Wisconsin Longitudinal Study (WLS) since the first effort in 1957 through the current ongoing effort that began in 2020.
NOTE: this document exceeds 1,000 pages, it is strongly recommended to use the “bookmarks” incorporated into the pdf.
Full Instrumentation : 1957-2026
Below you will find all available appendix information listed in the codebooks (or other WLS legacy documentation). These are meant to add context to many variables, but are not essential reading. If you have any questions please contact us.
For a downloadable version of these files please click here.
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- memo067.asc – A general selection of variables for WLS data
- memo110c.asc – The Wisconsin Longitudinal Study: A Source of Public Data on Aging in American Families
- memo127a.asc – Selection of Sample for Sibling Study and other notes
- memo128.asc – 1977 Sibling Study Tracing Procedures
- memo130.asc – “””Tracing Members of a Panel: a 17-year Follow-up”””
- memo131.asc – 1975, 1977 Variable name mnemonics
- cor000a.asc – Recoding of 1957 questionnaires – 8/18/62
- cor000b.asc – Notes on coding of the 1964 follow-up study and recoding of questionnaires – 8/17/62
- cor336at3.asc – Location of 1957 raw data: Status of variables and Recommendations for 1983 recoding
- cor336at5.asc – History of Interviews
- cor368a.asc – Sibling data construction in the 1975 survey
- cor368.asc – Clarification of the graduate’s education variable in the 1975 sibling roster – selection of birth order and education variables
- cor446.asc – Summary of 1992/93 telephone survey
- cor586.asc – “Coding of retrospective data collected in 1992/93 for 1975 nonrespondents”
- cor583a.asc – Process used to identify sample members who are married to one another
- cor607.asc – Conversion into century months
- cor699.asc – 1975, Variables in the background section that presented special problems in cleaning and recoding
- cor700.asc – Background variables for the 1977 sibling study
- cor703.asc – Interviewer instructions for 1975 graduate survey
- cor704.asc – Interviewer instructions for 1977 sibling survey
- cor813.txt – 2004 Variable Creation for mail questionnaire
- cor857.txt – 2004 Variable Creation for summary variables – gbeg Graduate phone survey
- cor904.txt – 2004 Variable Creation for Summary Module – Graduate Spouse Instrument
- ques57.asc – 1957 questionnaire
- ques64.asc – 1964 questionnaire
- ques75.asc – 1975 questionnaire
- ques77.asc – 1977 questionnaire
- rqfile.zip – Files used for the CASES CATI survey for 1975 respondents. (Contains 25 files. )
- nrqfile.zip – Files used for the CASES CATI survey for 1975 non-respondents (contains 25 files)
- mailq23r.wp5 – Final version of 1993 mail survey with revised menopause page (Word Perfect 5.1)
- mqmenorg.wp5 – Original version of 1993 mail survey with original menopause page (Word Perfect 5.1)
- wls70.asc – 1957/77 data used for 1992 survey
- mailq.zip – Files used for data entry using the CASES software for the 1993 mail surveys sent to all respondents of the 1992 telephone surveys(contains 5 files)
- memo005.asc – “Notes on the coding procedures used by WSRL in coding the Wisconsin School Study – 1975
- memo044.asc – Notes on cleaning education variables in 1977 sibling study
- memo115a.asc – Creation of education variables
- memo129.asc – Creation of the Value of College Variable from 1957 data
- cor229a.asc – Combining responses to vocational and technical questions in 1975
- cor256.asc – Allocation of century months for regular education variables in 1975 survey
- cor275.asc – Coding of 1964 educational variables
- cor554.asc – Degree Titles and Levels of Education
- cor555.asc – Major Fields of Study
- cor573.asc – College Codes
- cor701.asc – Special problems in the cleaning of graduate’s education data in 1975
- cor723.asc – Details about coding of Wisconsin High School District Resources, 1957-57
- cor872.txt – 2004, Variable Creation for the Education Module – Graduate Instrument
- Cor905.txt – 2004, Variable Creation for Education Module – Graduate Spouse Instrument
- cor974.txt – Variable Creation for the 2005 Sibling Education Module
- cor997.pdf – Construction of the school characteristics data set that links to the WLS
- memo116a.asc – 1993 – Number of Children Born in each Marriage
- cor429a.asc – 1993 – Data Construction for Marital History
- cor474a.asc – Couples among 1975 Respondents and Among 1977 Sibling Respondents
- cor514.asc – 1993 – Living Arrangements of Current Spouse
- cor515a.asc – 1993 – Construction of Marital History
- cor690.asc – 1975, 1977 – Major decisions made in the cleaning and editing of the marriage, fertility and work history sections (ever-married females only) of the 1975 and 1977 questionnaire
- cor690a.asc – 1975- Instructions for Interviewers regarding reporting of children in the 1975 graduate survey
- cor875.txt – 2004 – Variable Creation for the Marriage Module – Graduate Instrument
- cor908.txt – 2004 – Variable Creation for Marriage Module – Graduate Spouse Instrument
- cor967.txt – Variable Creation for the 2005 Sibling Marriage Module
- cor511.asc – 1993, 1994 – Creation of Respondent’s Household Roster
- cor520.asc – 1993, 1994 – Creation of Complete Children’s Roster
- cor832.txt – 2004 – Variable construction for gkid module graduate phone. Problems and resolutions in cor832a.txt
- cor844.txt – 2004 – Graduate Instrument, Sibling module – analysis variable creation.
- cor873.txt – 2004 – Variable Creation for the Parent Module – Graduate Instrument
- cor876.txt – 2004 – Variable Creation for the Household Module – Graduate Instrument
- Cor906.txt – 2004 – Variable Creation for Parent module – Graduate Spouse Instrument
- cor961.txt – Variable Creation for the 2005 Sibling Sibling Module
- cor962.txt – Variable Creation for the 2005 Sibling Children Module
- cor968.txt – Variable Creation for the 2005 Sibling Household Module
- cor972.txt – 2007 – Errors and corrections, 1975 best measures parents education
- cor973.txt – Variable Creation for the 2005 Sibling Parents Module
- cor1018a.pdf – The Identification of Nonnormative Children in WLS
- cor1018b.pdf – WLS 2004/2005 Nonnormative Screener Module Variables Update and Changes
- memo072.asc – Index of Job Desirability
- memo120.asc – Job Importance Items
- memo122.asc – Description of SEI and Prestige releases of 1957-77 and 1992/93 data prior to January 1996
- memo122a.asc – “Differences between Original WLS SEI and Prestige Scores and Revised Scores of December 1995: “”Total”” vs. Revised “”Male”” Scores Based on Featherman, Sobel, and Dickens Update of Duncan SEI and Siegel Prestige Scores – WLS 1976-77 Dec 1995 Fix”
- memo122a.wk4 – Excel worksheet for memo122a WLS 1976-77 Dec 1995 Fix
- memo122b.asc – “Resolution of descrepant SEI assignments: WLS Source Files [SEI70(2). LIS and SEI70(1).LIS] vs. Featherman, Sobel, and Dickens, Appendix B”
- memo122b.wk4 – Excel worksheet for memo122b Resolution of discrepant SEI assignments
- memo122c.asc – “SEI (Duncan) and Prestige (Siegel) Scores for 1970-Basis Occupations as Updated by Featherman, Sobel, and Dickens with Corrections and Scores for Allocation Categories”
- memo122c.wk4 – “Excel worksheet for memo122c – SEI (Duncan) and Prestige (Siegel) Scores for 1970-Basis Occupations as Updated by Featherman, Sobel, and Dickens with Corrections and Scores for Allocation Categories”
- memo133.asc – “Describes each mapping used in the WLS for 1970-basis Occupation variables. Lists all applicable CORS and MEMOs related to these mappings. Lists all known errors in the data, how introduced, how and when fixed.”
- cor074a.asc – Revised memo on coding of father’s occupation as farmer
- cor074b.asc – Theoretical Situs Location of Selected Occupations
- cor074c.asc – On the coding of occupational aspirations (See also cor617a2.asc and cor617f2.asc)
- cor074d.asc – Coding of graduate’s occupational choice
- cor074e.asc – 1950 Census occupation codes with SEI and NORC scores
- cor226.asc – “Creating major industry, major occupation, SEI, and prestige scores”
- cor315.asc – Recodes of 1970-Basis Duncan and Siegel (NORC Prestige) Scores for selected occupation/class of worker/industry combinations
- cor315d.asc – List of Duncan SEI and Siegel Prestige scores as originally used to code 1975-1977 occupation data
- cor476.asc – Coding Occupations in the Wisconsin Longitudinal Study: 1992-94 Follow-Ups
- cor498.asc – Occupations Which Cannot be Classified by 1970 Codes
- cor512.asc – 1970 Based SEI Scores – Stevens and Featherman
- cor521c.asc – “Construction of 1970 Based Major Industry, Major Occupation, Status, and Prestige Scores (rev. 1/96)”
- cor525a.asc – List of all Occupations Coded for 1992/93 Survey
- cor532.asc – Prestige and Status Scores for 1989/90
- cor556a.asc – Correcting Class of Worker Codes for Family Workers
- cor569.asc – Correction of error in major industry codes
- cor575.asc – 1970 Census Industry and Occupation Codes
- cor582.asc – Creation of Hourly Wage Rate Variable (replaced 6/97)
- cor603a.asc – Occupation-Industry Coding Handbook for 1974-75 Follow-Up
- cor605.asc – Creation of Class of Worker Variables
- cor612.asc – Instructions to repair 1970-Basis Duncan and Siegel scores for 1975-77 data
- cor612a.asc – List of all job variables in 1975-77 data and how they were created
- cor612c.asc – Update of COR521C used to create Wave 1 occupation variables
- cor613.asc – Modified assignment of Duncan and Siegel scores for 1970-basis occupation lines when industry or class of worker is missing
- cor613a.asc – List of scores from cor613.asc
- cor613b.asc – List of scores used to code OCASSK and OCEXSK occupation variables
- cor617a2.asc – Recoding of 1957 Occupational Aspiration Responses
- cor617f2.asc – Instructions to Coders for 1957 Aspiration Recoding
- cor638.asc – Documentation for Files Describing 1970-Basis
- cor638.zip – Occupation Characteristics
- cor639.asc – Construction of 1990-basis Occupation Characteristics and SEI Scores
- cor681.asc – Mapping 1990 Detailed Occupation and Industry Codes to 1970 Major Occupation and Industry categories
- cor683.asc – Sas code to write 5% prestige scores given 1990 occ codes.
- cor684.asc – Code to map 1970 Occ Codes to 1970 Occupational Education and Income Characteristics (4-digits); Code to map 1990 Occ Codes to 1990 Occupational Education and Earnings Characteristics (4-digits).
- cor713.asc – This document–details the status scales checked and the errors found in the 1970-basis mappings
- cor713.sas – “SAS code (module) that contains the final versions of DUNCAN SEI, SIEGEL, PRESTIGE, MSEI2, TSEI2, OCCUPATIONAL EDUCATION SCORES, and OCCUPATIONAL INCOME SCORES used I the WLS data. Sets missing data appropriately for each wave. Sets scores appropriately depending on type of missing data for Split Occupation lines. Also maps MAJOR OCCUPATION and MAJOR INDUSTRY categories (but see MEMO133 for explanation of these.) To obtain the 1970-basis mappings from a SAS MACRO call, see COR7131.SAS and COR713m.SAS.”
- cor713a.asc – ” Duncan’s original 1950-basis SEI scores. From Duncan 1961a (Reiss), Appendix B-1″
- cor713b.asc – “Duncan’s original 1950-basis SEI scores for 1950 Major Occupation Categories. From Duncan 1961a (Reiss), Table VII-4”
- cor713c.asc – “Duncan’s 1950-basis SEI scores for 1950 Major Occupation Categories, some split by Industry and/or Class-of-Worker as in Blau and Duncan 1967. From Duncan 1961b (Mimeo).”
- cor713d.asc – Duncan’s 1950-basis SEI scores for 1960 Detailed Occupation Categories. Industry/Class-of-Worker Splits are included. From Duncan 1961c (Mimeo).
- cor713e.asc – “Siegel’s 1960-basis PRESTIGE scores for 1960 Detailed Occupation Categories. From Siegel 1971, Table 5”
- cor713f.asc – “Footnote from Featherman, Jones and Hauser (1975), which lists the SEI and PRESTIGE scores for Major Occupation Categories (but rounds PRESTIGE to two digits!)”
- cor713g.asc – “Appendix B from Featherman, Sobel and Dickens (1975) which maps 1960-basis SEI and PRESTIGE scores (COR713d and COR713e above) to 1970 Detailed Occupation Categories”
- cor713h.xls – “An EXCEL worksheet containing the data in Tech. Paper 26, Table 1. Instructions for using this spreadsheet are included in this COR (COR713.ASC).”
- cor713i.xls – Mapping 1960 Detailed Industry Categories to the 1970 Detailed Industry Classification System – for use with COR713h.XLS
- cor713j.xls – “Calculations of SEI/MSEI/TSEI/Occ.Ed./Occ.Inc. score to use when a weighted average must be computed. For example, when class-of-worker is not known, or when an allocated occupation category is used to represent an entire major occupation category (rather than allocation for missing data, as in the Census usage.)”
- cor713k.tar – SAS programs and ASCII data files for checking TOTAL- based Occupational Education and Occupational Income scores. To be used with the original Nam-Powers data (educ.dat and income.dat) found in COR638.ZIP.
- cor713l.sas – Code to call COR713m.SAS as a MACRO. Edit the template in COR713l.SAS to call COR713m.SAS as a SAS MACRO.
- cor713m.sas – COR713.SAS in a SAS MACRO format. This MACRO code should not be changed. Use the template in COR713l.SAS to get the scores from COR713m.SAS.
- cor725.asc – Updates for Best Measures of Father’s Occupation (11/00)
- memo043.asc – The variables EXPER and TENURE – 11/81
- cor331a.asc – Coding of EXPER and TENURE for respondents not in the labor force at the time of interview. 11/81
- cor522.asc – Job History Summary Variables
- cor553.asc – The 1992 WLS Employment History Section: Instrument and Codebook Design
- cor648.asc – Mappings of 1960, 1980, and 1990 Census 3-digit occupation categories to the 1970 3-digit categories.
- cor648a.asc – ASCII versions of Excel worksheets used in the mappings of the occupation coding described in COR648.asc
- cor648b.asc – ASCII versions of Excel worksheets used in the mappings of the occupation coding described in COR648.asc
- cor648c.asc – ASCII versions of Excel worksheets used in the mappings of the occupation coding described in COR648.asc
- cor648d.asc – ASCII versions of Excel worksheets used in the mappings of the occupation coding described in COR648.asc
- cor648a.xls – Excel worksheets used in the mappings of the occupation coding described in COR648.asc
- cor648b.xls – Excel worksheets used in the mappings of the occupation coding described in COR648.asc
- cor648c.xls – Excel worksheets used in the mappings of the occupation coding described in COR648.asc
- cor648d.xls – Excel worksheets used in the mappings of the occupation coding described in COR648.asc
- cor685.asc – Coding schema for city of employment 1993 & 1994 surveys
- cor691.asc – Labor force and current occupation for the 1957 and 1977 surveys
- cor850.rtf – Variable Creation for the Job Characteristics Module – Graduate Instrument
- cor850a.rtf – Job Characteristics Module – Graduate Instrument-describes the base hourly wage rate construction
- cor850b.sas – Job Characteristics Module – Graduate Instrument-contains the code used to create the base hourly wage rate
- cor851.rtf – Variable Creation for the Employment Module – Graduate Instrument
- cor851a.rtf – Employment Module – Graduate Instrument-describes retirement reasons codeset
- cor851b.rtf – Employment Module – Graduate Instrument-describes reason laid off codeset
- cor851c.rtf – Employment Module – Graduate Instrument-describes reason left job codeset
- cor863generic.sas – SAS code used to create 1990 Major Industry, Major Occupation, Nakao Treas Prestige Score, Occupational Income, and Occupational Education Scores
- cor889.rtf – Variable Creation for the Graduate Spouse 2004 Employment Module
- cor958.rtf – Variable Creation for the 2005 Sibling Job Characteristics Module
- cor960.rtf – Variable Creation for the 2005 Sibling Employment Module
- memo091.asc – “Effect of instrument on distributions of otherwise identical “”Five-Factor Model of Personality”” items.”
- memo099.asc – “Examination of “”Five-Factor Model of Personality”” mail items for unusual response patterns.”
- memo114.asc – “Scales for the personality items (5- factor model of personality
- memo121.asc – Using data on IQ and high school rank from the WLS (with additional notes on allocation flags and recoded items from the 1957 Questionnaire)
- memo124.asc – Graduate IQ data – updates and recommendations
- memo124.pdf – Supporting figures for IQ updates and recommendations
- cor449.doc – Coding of items unsed in construction of the five factor model of personality structure.
- cor458.asc – Scoring for cognition items:primary sample 1992/93 follow-up.
- cor571a.asc – 1993 – “References and variable creation for psychological, personality, health, work and family, and organization items. Tenacious Goal Pursuit (TGP) and Flexible Goal Adjustment (FGA) by Brandtstader and Renner. (Complete Preliminary English Version)(rev.9/00)”
- cor572.asc – Scoring for cognition items: sibling sample 1994 follow-up.
- cor652.asc – “Construction of “”new”” IQ variables”
- cor816YearbookDraft.doc – High School Activities coded from 1957 Yearbook.
- cor825.txt – Variable creation for the Cognition Word Recall Module – Immediate and Delayed, 2004 Graduate Instrument
- cor841.doc – Variable Creation For Volunteering
- cor859similaritiesCodingFiles.Zip – Cognition-Similarities Coding files for 2003-2005 surveys.
- cor859CognitionSimilarities_GradPhone.doc – Cognition-Similarities Coding files for 2003-2005 surveys.
- cor860readme.txt – Cognition-Fluency Coding files for 2003-2005 surveys.
- cor860FluencyCodingToWLS.zip – Cognition-Fluency Coding files for 2003-2005 surveys.
- cor860FluencyCodingSupervisorInstructions.doc – Cognition-Fluency Coding files for 2003-2005 surveys.
- cor860FluencyCodingDecisions.doc – Cognition-Fluency Coding files for 2003-2005 surveys.
- cor862.txt – Variable creation for the Cognition Digit Ordering Module – 2004 Graduate Instrument
- cor871.txt – Cognition Similarities open-ended coding
- cor900.txt – Variable Creation for the Cognition Word Recall module – Immediate and Delayed, 2004 Graduate Spouse Instrument
- cor911CognitionSimilarities_GradSPOUSE.doc – On Variable Creation for the 2003-5 Cognition – Similarities module, Graduate Spouse Instrument
- cor943.txt – Variable Creation for the 2005 Sibling Cognition- Delayed Recall Module
- cor946.txt – Variable Creation for the 2005 Sibling Cognition- Digit Ordering Module
- cor948a.txt – Variable creation for Nisbett Module
- cor953.txt – Variable Creation for the 2005 Sibling Volunteering Module
- cor954CognitionSimilarities_SIBLING.doc – Cognition-Similarities Coding files for 2005 sibling survey.
- cor963.txt – Variable Creation for the 2005 Sibling Cognition Fluency Module
- cor970_ScoringCogSimAnswers.doc – Cognition Similarities Answers
- cor1022.txt – Cognition Letter/Category Fluency Module Analysis Data Error Originated in “gcogflu.do” from the 2004 Collection Wave, and WLS Staff’s Solution as Implemented in the Official Release of 2011 Data
- cor1027.rtf – Linguistic Functioning using E-Prime (2011)
- Task3_Pictures.zip – Linguistic Functioning using E-Prime (2011) pictures [zip archive]
cor576.asc – 1993, Inconsistencies in Residence of Selected Child
- cor483r.asc – Master List of Religion Codes (rev.5/96)
- cor870.txt – Variable creation for the Religion Module – 2004 Graduate Instrument
- cor909.txt – Variable creation for Religion Module – 2004 Graduate Spouse Instrument
- cor964.txt – Variable Creation for the 2005 Sibling Health MOdule
- memo007.asc – Geographic coding of selected addresses for 1957-1977 WLS follow-up studies
- cor337a.asc – Creation of variables for size of place of residence in hundreds
- cor344a.asc – Notes about size of place of residence in hundreds
- cor483s.asc – States and Foreign Country Codes
- cor606.asc – “Geographic Coding for County Codes (FIPS), Labor Market Areas (LMA),Metropolitan Statistical Areas (MSA), and County Population.”
- cor685.asc – City codes (not available on public release)
- cor777.asc – Variables obtained from GDT Geocoding
- cor1017b.pdf – Match Codes for Geographic Geocoding
- cor1017c.xls – Commuting Zone Codes
- cor1017d.txt – Metropolitan Statictical Area Codes
- cor1028.pdf – Rural-Urban Continuum Codes
- cor437.pdf – “Comparative survey measurement of health, psychological well-being and social responsibility in the WLS,NSFH, and Whitehall Survey of British Civil Servants.”
- cor574a.asc – 1993/94, Creation of Psychological Well-Being Variables
- cor840PWBModuleGradPhone.doc – On variable creation for (and purpose of) the 2004 Psychological Well-Being graduate phone module. Note that this is not the same as the PWB *mail* module.
- memo049.asc – Construction of new best measures of 1957 parental income
- cor315_addendum_III.asc – Reconstruction of best measures of 1957 Parental Income
- cor483i.asc – 1993/94, Coding of Transfers Received
- cor689.asc – A note on factor weighted SES scores
- cor578.asc – 1993, Processing of intertransfers to children
- cor702.asc – Procedures in gathering tax data (June 1966)
- Cor877.pdf – Variable Creation for the Assets Module – 2004 Graduate Module
- Cor878.pdf – Variable Creation for the Intertransfers Module – 2004 Graduate Module
- Cor879.pdf – Variable Creation for the Other Income Module – 2004 Graduate Module
- Cor933.txt – Variable Creation for the Assets Module – 2004 Graduate Spouse Module
- Cor934.txt – Variable Creation for the Other Income Module – 2004 Graduate Spouse Module
- cor977.txt – Variable Creation for the 2005 Sibling Other Income Module
- cor976.txt – Variable Creation for the 2005 Sibling Intertransfer Module
- cor975.txt – Variable Creation for the 2005 Sibling Assets Module
- cor1014.pdf – Documentation and Proposed Usage for Imputation Data
- memo114.asc – “Scales for the personality items (5-factor model of personality structure, cognition assessment, alcohol, depression, self evaluation and social comparisons, similarity, closeness, and contact, and menopause).”
- memo145.doc – Implementation of World Health Survey Health Vignettes
- cor437.pdf – “Comparative survey measurement of health, psychological well-being and social responsibility in the WLS, NSFH, and Whitehall Survey of British Civil Servants.”
- cor483h.asc – 1993/94, Health problems
- cor571a.asc – 1993/94, “References and variable creation for psychological, personality, health, work and family, and organization items. Tenacious Goal Pursuit (TGP) andFlexible Goal Adjustment (FGA) by Brandtstader and Renner. (Complete Preliminary English Version)(rev.9/00)”
- cor814.txt – Decision rules for 2004 Graduate Telephone Health variable creation (ghealth).
- cor821.doc – Attractivness coding from 1957 high school yearbook photos.
- cor835.doc – Relative Body Mass from 1957 Yearbook Photo
- cor847GeneralHealthVignettes.doc – Sampling for Health Vignettes in 2005 Sibling Health Module
- cor849.rtf – Variable Creation for the Alcohol Module – 2004 Graduate Instrument
- cor852.txt – Variable Creation for the Depression Module – 2004 Graduate Instrument
- cor890.rtf – Variable Creation for the Graduate Spouse 2004 Alcohol module
- cor903.txt – Variable Creation for the Depression Module – 2004 Graduate Spouse Instrument
- cor932.txt – Variable Creation for the 2004 Graduate Spouse Health Module (hhealth)
- cor956.txt – Variable Creation for the 2005 Sibling Depression Module
- cor959.rtf – Variable Creation for the 2005 Sibling Alcohol Module
- cor966.txt – Variable Creation for the 2005 Sibling Health Module
- cor483p.asc – Relationship codes
- cor607.asc – Conversion into century months for 1992/94 follow-up studies.
- cor608.asc – Health insurance coding
- COR845.doc – 2004 Graduate Instrument, Access module – analysis variable creation
- COR845_updated.doc – (Updated May 2008) 2004 Graduate Instrument, Access module – analysis variable creation
- COR971_Sibling_Access_Section.doc -2005 Selected Sibling Instrument, Access module – analysis variablecreation
- cor988.txt – 2007 Graduate Medicare Part D SAQ variable creation
- cor1026.txt – Re-coding the Health Insurance “Other Specify” items in the 2011 SAQ
- cor1026a.pdf – 2011 SAQ Health Insurance data cleaning details
- cor1026b.xls – 2011 SAQ Health Insurance data cleaning more details [spreadsheet]
- cor609.asc – Coding for types of pensions and retirement plans.
- cor880.txt – Variable Creation for the Pensions Module – 2004 Graduate Module
- Cor935.txt – Variable Creation for the Pensions Module – 2004 Graduate Spouse Module
- Cor978.txt – Variable Creation for the 2005 Sibling Pension Module.
- cor483d.asc – Cause of Death Codes from 1993/94 survey
- cor614.asc – 1993, Friends Death Reports
- cor743b.doc – NDI’s ICD-9 282 recodes
- cor743c.doc – NDI’s ICD-9 72 recodes
- cor867.txt – ICD-9 Overview
- cor867b_decision_tree.pdf – ICD-9 Decision Tree
- cor867d.xls – ICD-9 Common code spreadsheet
- cor867f.xls – ICD-9 Code Set
- cor867g.xls – ICD-9 Variable Description
- cor939b.doc – NDI’s ICD-10 recodes
- cor942.txt – Graduate phone mortaility closeout variable creation
- cor980.txt – Sibling phone mortaility closeout variable creation
- cor984.asc – ICD-10 Variable Creation details
- cor984a.asc – ICD-10 Code Set
- cor307.asc – Coding name of employer for last or current job in 1975
- cor335.asc – 1975, Coding of company and industry data
- memo026.asc – 1975, Creation of military variables
- cor853.txt – Variable Creation for the End of Life – Death Reaction Module – 2004 Graduate Instrument
- cor854EOLPrepGradPhone.doc – On variable creation for the 2004 End of Life Preparations module (graduate instrument)
- cor888EOLPrepGradSPOUSEPhone.doc – On variable creation for the 2004 End of Life Preparations module (Graduate-Spouse instrument)
- cor957.txt – Variable Creation for the 2005 Sibling End of Life-Death Reaction Module
- cor929EOLPrepSIBLINGPhone.doc – On variable creation for the 2005 End of Life Preparations module (sibling instrument)
- cor822.txt – Decision rules for 2004 Graduate Telephone Internet variable creation (ginet).
- cor902.txt – Decision rules for 2004 Graduate Spouse Telephone Internet Variable Creation (hinet).
- cor1029 – 2020 ILIAD Protocol Details
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Information about the scales constructed from the WLS data. (Only includes measures before the 2011 wave.)
Various ways of calculating retention and response rates of WLS 1957-2011.