Category Archives: sampling

so here we are

I am back in Dar es Salaam, back at Twaweza, and back working on mobile data gathering. Before giving you an overview about the things that will be happening in the weeks to come, I will first use this post to … Continue reading

Posted in call center, IVR, nonresponse, sampling, USSD | Leave a comment

Finishing baseline & preparing mobile follow-ups

Having completed our 550 face-to-face baseline interviews and preparing the mobile follow-up phase, it seems about time for some first data-poking. At this point, things still are rather preliminary, mainly because we so far have entered the baseline data only … Continue reading

Posted in call center, IVR, nonresponse, poverty, sampling, USSD, WAP | 1 Comment

On the map

To keep myself occupied while impatiently waiting for the first wave of baseline survey data to appear in my inbox yesterday, I put together this map of the wards of Dar es Salaam that are included in our sample (see … Continue reading

Posted in dar es salaam, sampling, visualization | 2 Comments

So this is the “field”: first impressions & some assistance from the past

Last week, things started rolling with first interviews being conducted in the southern district of Temeke. About a week earlier, our teams had gone into the field to generate lists of households and household members, to draw the stratified sample … Continue reading

Posted in dar es salaam, poverty, sampling | 3 Comments

Baseline study & mobile follow-ups: a first overview

This post will give you a first overview of the project. Specifically, I will provide some information about the baseline survey (including sampling technicalities) and the technologies we will use for the mobile phone follow-up. We are charting new territory … Continue reading

Posted in call center, dar es salaam, incentives, IVR, sampling, survey methodology, USSD, WAP | 3 Comments