Study design & instruments
Sampling strategies, questionnaire development and translation, protocols and manuals, IRB and ethics compliance.
I'm Zahirul Islam, Senior Project Associate at ARCED Foundation and part of the ARCED International team. For 13+ years I have designed, run and analysed surveys, impact evaluations and randomized controlled trials — 100+ projects for universities, UN agencies, governments and NGOs.
I cover the whole evidence pipeline — so findings reach clients clean, on time and defensible.
Sampling strategies, questionnaire development and translation, protocols and manuals, IRB and ethics compliance.
Enumerator training, field supervision, back-checks and audio audits, daily reporting to PIs and clients — on CATI and in-person surveys.
SurveyCTO, ODK and KoBo form programming with built-in quality checks; data pipelines, cleaning and documentation in Stata, R and Python.
Descriptive and inferential analysis, rubric-based evaluation scoring, Power BI / Tableau / Looker Studio dashboards and GIS mapping.
Monitoring frameworks, indicator design and OECD-DAC evaluations for development programmes — from inception to final report.
Evaluation reports, technical proposals and budgets for institutional tenders, plus web, graphics and document design.
Research collaborations and consultancies delivered through ARCED Foundation and ARCED International since 2013.
Randomized field study in ready-made garment factories linking workplace air quality to worker productivity — calibrated PM2.5 monitors, smart-plug systems, attendance and productivity data, worker surveys.
Technology-enabled randomized study to improve monitoring and enforcement of brick-kiln pollution: tracker and dashboard across 43 districts, workshops with Department of Environment officials, longitudinal follow-ups.
Coastal char livelihoods impact assessment in Noakhali — Survey Solutions and SurveyCTO templates, listing/pilot/main surveys in Companiganj, Hatiya and Subarnachar, cleaned datasets to the PIs.
Large-scale study of manufacturing firms, managers and employees in Dhaka, Gazipur and Narayanganj: questionnaire development and testing, enumerator training, daily high-frequency checks.
Mixed-methods audit study of dealer price, information and reputation trade-offs in the electric three-wheeler battery market, with an incentivized consumer-preference survey.
Randomized evaluation of air purifiers on health outcomes and willingness-to-pay in Pallabi and Mirpur — 40-household pilot, 1,000-household scale-up and a 2,500-household follow-on survey.
Completed the World Bank course on reproducible research and BIGD's crash course on research communications (2025), alongside a series on data science, analytics, Power BI and machine-learning basics with Cambridge International Qualifications.
Peer-reviewed articles on economic growth in developing countries and on COVID-19 lockdowns and tobacco use; a preprint on urban mental health in Dhaka; study and evaluation reports for IFRC, USAID and others.