Academic Conference | TLSUN's Feng Ting on Building the Data-Quality Foundation of Large Longitudinal Surveys with a High-Standard CAPI System
Feng Ting speaks at the BIO SHANGHAI academic conference, explaining how the CAPI system safeguards data quality in large longitudinal surveys through full-lifecycle quality control.
Read more → 2026-09-10Hiring | Sales Manager (Government / University / Research)
TLSUN is hiring a sales manager to develop clients in universities, research institutes, and government, based in Future Science City, Changping, Beijing.
Read more → 2026-08-16Who Counts as "Family"? Classic Practices for Defining Household Members in Large Surveys
A systematic review of how major Chinese and international surveys define household members, from UN usual-residence rules to China's 7th census and CFPS.
Read more → 2026-04-23Offline Data Collection: How the Interviewing System Gathers Data in Network-Free Mountain Areas
The three-step offline collection process and safeguards of the TLSUN interviewing system, keeping face-to-face surveys running even without a network.
Read more → 2026-04-17The "Golden 60 Seconds" of Door-to-Door Surveys: Building Trust and Opening the Door in the First Minute
Four key moves in the 60 seconds before the door opens, plus refusal-handling scripts that cut refusal rates from 45% to 18%.
Read more → 2026-04-09How to Write a Survey Invitation: 3 Templates That Boost Open Rates by 50%
Three practical invitation templates plus four golden rules, doubling open rates with channel tracking.
Read more → 2026-04-07Struggling with Multiple-Choice Analysis? The Principles, Operations, and Interpretation of Multiple-Response Analysis
From data structure to frequency and cross-tabulation analysis, and advanced methods — a full walkthrough of multiple-response analysis.
Read more → 2026-03-30Sample Representativeness Explained: From Sampling Fallacies to Scientific Inference
The five threats to sample representativeness and a three-stage operational framework for defensible conclusions.
Read more → 2026-03-265 Types of "Invalid" Survey Questions 80% of Beginners Get Wrong
The five most common invalid survey questions, with correct examples and a self-check list to avoid 90% of the pitfalls.
Read more → 2026-03-16Complete Collection: 2026 Latest Questionnaire Templates for College Social Practice & Theses
20 popular questionnaire templates plus a complete guide from questionnaire creation to thesis, ready to copy.
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