Survey design (1/4)

 
 
Argentine Panel Election Study (APES)

2015

Panel study

Sampling: Stratified multistage cluster sampling, mixing probability and non-probability methods

Survey mode: Face-to-face interview

 
 
Australian Election Study (AES)

1987

Post election study

Sampling: Systematic random sampling from electoral register

Survey mode: paper

1990

Post election study

Sampling: Systematic random sampling from electoral register

Survey mode: paper

1993

Post election study

Sampling: Systematic random sampling from electoral register

Survey mode: paper

1996

Post election study

Sampling: Stratified systematic random sampling from electoral register

Survey mode: paper

1998

Post election study

Sampling: Stratified systematic random sampling from electoral register

Survey mode: paper

2001

Post election study

Sampling: Stratified systematic random sampling from electoral register

Survey mode: paper

2004

Post election study

Sampling: Main sample: stratified systematic random sampling from electoral register. Supplementary sample: multi-stage sample (by federal divisions)

Survey mode: paper

2007

Post election study

Sampling: Stratified systematic random sampling from electoral register

Survey mode: paper

2010

Post election study

Sampling: Stratified systematic random sampling from electoral register & recontacted respondents of previous surveys & respondents from online panel

Survey mode: paper (for the main survey only) and web

2013

Post election study

Sampling: Systematic random sampling from electoral register

Survey mode: paper and web

2016

Post election study

Sampling: Multi-stage stratified random sample; first half from the electoral register, and second half from the national address register

Survey mode: web and paper

2019

Post election study

Sampling: Stratified sample drawn from the national address register & respondents from online panel

Survey mode: web and paper (push-to-web)

2022

Post election study

Sampling: Stratified sample drawn from the national address register & respondents from online panel

Survey mode: web and paper (push-to-web)

2025

Post election study

Sampling: Stratified sample drawn from the national address register & respondents from online panel

Survey mode: web and paper (push-to-web)

 
Brazilian Electoral Studies (BES)

2002

Post election study

Sampling: Stratified probability sampling (by city, regarding the 5 regions and 27 states of the country, census track, household). National sample, 2.513 interviews.

Survey mode: Face-to-face interview

2006

Post election study

Sampling: Stratified probability sampling (by city, regarding the 5 regions and 27 states of the country, census track, household). National sample, 1.000 interviews. 

Survey mode: Face-to-face interview

2010

Post election study

Sampling: Stratified probability sampling (by city, regarding the 5 regions and 27 states of the country, census track, household). National sample, 2.000 interviews. 

Survey mode: Face-to-face interview

2014

Post election study*

Sampling: Stratified probability sampling (by city, regarding the 5 regions and 27 states of the country, census track, household). National sample_2.506 interviews + complemented by 630 interviews in the State of São Paulo* (see note below)

Survey mode: Face-to-face interview

2018

Post election study

Sampling: Stratified probability sampling (by city, regarding the 5 regions and 27 states of the country, census track, household). National sample, 2.506 interviews. 

Survey mode: Face-to-face interview

2022

Post election study

Sampling: Stratified probability sampling (by city, regarding the 5 regions and 27 states of the country, census track, household). National sample, 2.001 interviews. 

Survey mode: Face-to-face interview

*=The total sample of BES 2014 was designed proportionally to the universe based on 2,506 interviews.However, to allow the reading of the isolated results of the state of Sao Paulo (state capital, capital surrounding periphery and interior cities of the state), the initial sample of each of these areas was supplemented, arriving at a total sample of 3,136 interviews. With the sample complement, Brazil was over-represented in these areas, making it necessary to use weights to understand the proportional representation of all areas in relation to the universe in question. Therefore, the use of the weighs is not necessary only in the following cases: 1. Results only for the state capital of São Paulo; 2. Results only for the surrounding capital periphery of São Paulo; 3. Results only for the interior cities of São Paulo; . 4. Other results that do not include the state of São Paulo.
Canadian Election Study (CES-EEC)

1997

Post-election study

Sampling: Two-stage probability sampling (by Random Digit Dial (RDD) + next birthday methods)

Survey mode: Telephone and paper (mail-back)

2004

Post-election study

Sampling: Two-stage probability sampling (by Random Digit Dial (RDD) + next birthday methods)

Survey mode: Telephone and paper (mail-back)

2008

Post-election study

Sampling: Two-stage probability sampling (by Random Digit Dial (RDD) + next birthday methods) + panel sample (2004 & 2006 surveys)

Survey mode: Telephone and paper (mail-back)

2011

Post-election study

Sampling: Two-stage probability sampling (by Random Digit Dial (RDD) + next birthday methods) + panel sample (2004 – 2008 surveys)

Survey mode: Telephone and paper (mail-back)

2015

Post-election study

Sampling: Two-stage probability sampling (by Random Digit Dial (RDD) + next birthday methods) + online panel respondents

Survey mode: Telephone and paper (mail-back) + web for panel respondents

2019

Pre & Post election study

Sampling: For telephone survey: two-stage probability sampling (by modified Random Digit Dial (RDD) + next birthday methods). For online survey: quota sampling from online panel.

Survey mode: Telephone and web

2021

Pre & Post election study

Sampling: Stratified online panel (quota) sampling

Survey mode: Web

2025

Pre & Post election study

Sampling: Stratified online panel (quota) sampling

Survey mode: Web

 
Croatian National Election Study

1990

Pre election study

Sampling: Multistage stratified simple random sample (by region, rural/urban, center/suburb, sex and age).

Survey mode: face-to-face interview

1992

Pre election study

Sampling: Multistage stratified simple random sample (by region, rural/urban, center/suburb, sex and age).

Survey mode: face-to-face interview

1995

Pre election study

Sampling: Multistage stratified simple random sample (by region, rural/urban, center/suburb, sex and age).

Survey mode: face-to-face interview

1999

Pre election study

Sampling: Multistage stratified simple random sample

Survey mode: face-to-face interview

2003

Pre election study

Sampling: Multistage stratified simple random sample (by region, rural/urban, center/suburb, sex and age)

Survey mode: face-to-face interview

2007

Pre election study

Sampling: Multistage stratified simple random sample (by settlement, household and first birthday method)

Survey mode: face-to-face interview

2012

Post election study

Sampling: Multistage stratified simple random sample (by region, settlement, household, and quotas)

Survey mode: face-to-face interview

2015

Post election study

Sampling: Random sampling (by birthday method)

Survey mode: face-to-face interview

2016

Post election study

Sampling: Random sampling (by birthday method)

Survey mode: face-to-face interview

2018

Post election study

Sampling: Random sampling (by birthday method)

Survey mode: face-to-face interview

2020

Pre election study

Sampling: Multistage stratified simple random sample (by region, settlement, household, and quotas)

Survey mode: face-to-face interview

Czech National Election Study

2002

Post election study

Sampling: Quota sampling from national statistical office (by gender, age, education and size of place of residence). Representative by region.

Survey mode: face-to-face interview

2006

Post election study

Sampling: Quota sampling from national statistical office (by gender, age, education and size of place of residence). Representative by region.

Survey mode: face-to-face interview

2010

Post election study

Sampling: Quota sampling from national statistical office (by gender, age, education and size of place of residence). Representative by region.

Survey mode: face-to-face interview

2013

Post election study

Sampling: Quota sampling (by region, size of place of residence, gender, age and education). Data source for quota selection: Czech Statistical Office (Population, Housing and Dwelling Census 2011).

Survey mode: face-to-face interview

2017

Post election study

Sampling: Quota sampling (by region, size of place of residence, gender, age and education). Data source for quota selection: Czech Statistical Office (Population, Housing and Dwelling Census 2011).

Survey mode: face-to-face interview

2021

Panel study

Sampling: Quota sampling (by region, size of place of residence, gender, age and education). Data source for quota selection: Czech Statistical Office.

Survey mode: face-to-face interview (72% PAPI, 28% CAPI)

2023

Panel study

Sampling: Online access panel sample

Survey mode: web

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