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Michel B. Séguin Atlantic DLI Training . SURVEY LIFECYCLE. What the heck is a survey?. WHAT IS A SURVEY?. The collection of information from People Businesses Organizations Farms. CENSUS. SAMPLE. TYPES OF SURVEYS. Regular surveys Supplementary surveys Post-censal surveys
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Michel B. Séguin Atlantic DLI Training SURVEY LIFECYCLE
What the heck is a survey?
WHAT IS A SURVEY? • The collection of information from • People • Businesses • Organizations • Farms
CENSUS SAMPLE TYPES OF SURVEYS • Regular surveys • Supplementary surveys • Post-censal surveys • Longitudinal surveys PROXY OR NON-PROXY • Includesall units of the population Includes some units of the population
MAJOR COMPONENTSOF A SURVEY WHO WHAT HOW WHAT ARE YOU DOING TO IT WHAT’S THE NEWS
WHO • What is the universe • Is it a census or a sample • Sample • Based on the geography • Based on the age • Based on presence of children in household • Is the sample representative or not of the universe • Sample size will be defined according to geography of dissemination • Is the sample based on population, households families, farms
WHAT • Questionnaire design • Concepts and definitions • Words of questions • Closed questions – open-ended questions • Coding of open-ended questions • Single and multiple responses • Measured or self-reported • Flows and skip patterns – questionnaire layout • Instructions for Interviewers • Computer Assisted Applications • Testing of questions (may take 2-3 cycles to test a question)
HOW • In person – Computer assisted personal interviews (CAPI) • By telephone – Computer assisted telephone interviews (CATI) • Mail out – Mail back • Internet • Visit to clinic • TRAINING OF INTERVIEWERS
HOW • Respondent relations • Purpose of survey • Confidentiality assurances • Volunteer / mandatory aspects of survey • Projects of linking data • Projects of sharing of data
WHAT ARE YOU DOING TO IT • Processing the data • Editing errors • Interviewers errors • Capture errors • Respondent errors • Inter-question relationships • Path and flows • Coding of write-in responses • Imputations for non-response or response error • Creation of variables and derived variables
Imputation of Data from Other Records on File PROCESSING THE DATA
PROCESSING THE DATA The end product of processing = master file!
PROCESSING THE DATA Weights are added to the Master file
PROCESSING THE DATA Weights are added to the Master file
WHAT’S THE NEWS • WE are now in the DISSEMINATION mode • Articles in the Daily and Summary Tables • Tables in CANSIM • PUBLIC USE MICRODATA FILES
WHAT’S THE NEWS • PUBLIC USE MICRODATA FILES • Subset of the Master file • Variables and derived variables • No personal identifiers • Extremes that could lead to identify someone are removed • Geographies are regrouped as required • Some provinces, some CMAs, Urban/Rural • Multiple revisions following visits to the Microdata Release Committee
WHAT’S THE NEWS • PUBLIC USE MICRODATA FILES • Data file • Documentation • Users guide • Code book • Record layout • Questionnaire • Variables and derived variables index • Variance tables • SPSS format file • SAS format file • This is ideal… you don’t always get all these files….
