I used a subscriber identity module card reader to copy the lists of saved contacts from 170 mobile phones in Fiji. This approach has both advantages and disadvantages compared to other techniques for collecting telephone network data. Copying phone contacts avoids recall biases associated with survey-based name generators. It also obviates the…

The serious problems faced in the ESAA (Emergency School Aid Act) data collection effort (magnitude of the data to be collected, many kinds of respondents, and sensitivity of much of the data) are discussed. Procedures for overcoming obstacles are described. These include limiting collection to essential data, tailoring instruments to respondents,…