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Rhyddhawyd ar: 27 March 2026
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Methodoleg
Wealth and Assets Survey design and implementation, including collection methods, sample design, response rates, coverage and processing. Also includes survey changes and quality information.
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Rhyddhawyd ar: 15 September 2022
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Methodoleg
The administrative data sources that were used in the statistical design for Census 2021, with information on their coverage, accuracy, and timeliness.
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Rhyddhawyd ar: 06 September 2024
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Methodoleg
Quality and methodology information for the Management and Expectations Survey (MES), including strengths and limitations of the data, recent corrections, methods, and data uses and users.
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Rhyddhawyd ar: 09 January 2023
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Methodoleg
Summary of the work conducted to build the Census 2021 address frame and an evaluation of the frame's quality.
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Rhyddhawyd ar: 22 July 2021
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Methodoleg
An assessment into the comparability of estimates produced from the face-to-face Crime Survey for England and Wales (CSEW) and the Telephone-operated Crime Survey for England and Wales (TCSEW), exploring survey design, sample design, questionnaire changes and modal changes.
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Rhyddhawyd ar: 03 July 2020
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Gwybodaeth gorfforaethol
How we researched, developed and tested the Census 2021 question on sexual orientation.
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Rhyddhawyd ar: 08 October 2025
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Gwybodaeth gorfforaethol
A draft set of guidelines for the use of observers in qualitative research, created by collaboration between various national statistical institutes.
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Rhyddhawyd ar: 18 January 2016
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Gwybodaeth gorfforaethol
The Office for National Statistics (ONS) conducted several tests to inform the design for the 2011 Census.
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Rhyddhawyd ar: 04 May 2023
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Methodoleg
Discovery phase research into the feasibility of a multi-mode design for the Crime Survey for England and Wales (CSEW).
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Rhyddhawyd ar: 13 January 2016
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Gwybodaeth gorfforaethol
Information about consultation with users of census data during the design and development of the 2001 methodology and outputs.
