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Using Trellis software to enhance high-quality large-scale network data collection in the field.

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Trellis is a mobile platform for collecting social network data in remote areas. It provides detailed metadata to monitor data collection quality and identify potential biases.

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Area of Science:

  • Social Network Analysis
  • Mobile Data Collection
  • Public Health Research

Background:

  • Collecting social network data in hard-to-reach communities presents significant challenges.
  • Traditional methods often struggle with literacy, language barriers, and data accuracy.

Purpose of the Study:

  • To introduce and evaluate Trellis, a mobile platform for robust social network data collection.
  • To demonstrate Trellis's capability in generating metadata for process monitoring.

Main Methods:

  • Utilized the Trellis mobile platform for data collection in two Kenyan villages.
  • Collected data from 1,969 adult respondents, including social contacts identified by name and photograph.
  • Leveraged Trellis's location-aware and offline/online capabilities.

Main Results:

  • Trellis successfully collected high-quality, multi-relational social network and behavioral data.
  • The platform provided unprecedented metadata on the data collection process.
  • Identified artifactual variability related to surveyors, time of day, and location.

Conclusions:

  • Trellis is an effective tool for gathering social network data in challenging environments.
  • The metadata generated by Trellis enhances transparency and quality control in research.
  • The platform has significant implications for understanding behavior in underserved populations.