Found 5 matching trials
Use of Airtime Amounts to Improve Interactive Voice Response Surveys in Colombia and Tanzania
NAThis study evaluates the effect of three different airtime incentive amount...
Location
Instituto de Salud Publica Pontificia Universidad Javeriana
Use of Airtime Incentives to Improve Short Message Service Surveys in Colombia and Tanzania
NAThis study evaluates the effect of four different airtime incentive amounts...
Location
Instituto de Salud Publica Pontificia Universidad Javeriana
Use of Airtime Timing to Improve Interactive Voice Response Surveys in Bangladesh and Uganda
NAThis study evaluates the effect of two different airtime incentive timings ...
Location
Institute of Epidemiology Disease Control and Research
Use of Airtime Structure to Improve Interactive Voice Response Surveys in Bangladesh and Uganda
NAThis study evaluates the effect of three different airtime incentive struct...
Location
Institute of Epidemiology Disease Control and Research
Airtime Incentive Amounts to Improve Interactive Voice Response Surveys in Bangladesh and Uganda
NAThis study evaluates the effect of two different airtime incentive amounts ...
Location
Institute of Epidemiology Disease Control and Research