Process / pipelineSampling
Online Systematic Sampling — Web-Based Interval Sampling
Online systematic sampling applies the classical every-k-th-element rule to digital survey contexts — selecting respondents from a web panel, membership database, or visitor stream at a fixed interval. It combines the operational simplicity of systematic sampling with the reach and speed of online data collection, producing a roughly representative sample without requiring complex randomisation infrastructure.
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Sources
- Couper, M. P. (2008). Designing Effective Web Surveys. Cambridge University Press. ISBN: 978-0521713528
- Lohr, S. L. (2022). Sampling: Design and Analysis (3rd ed.). CRC Press / Chapman & Hall. ISBN: 978-0367279509