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Random route

For each randomly chosen sampling point (e.g., urban units, small cities, or voting districts), interviewers are assigned with a starting location and provided with instructions on the random walking rules (e.g., which direction to start, on which side of the streets to walk, and which crossroads to take). Households are selected by interviewers following the instructions. The routes end when the predefined number of respondents (or households) is achieved (Bauer, 2016). Since the probability of the selected household is unknown, this method is categorized as a non-probability sampling method (Bauer, 2016).

random walk
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