This website presents the following tools and guidance on quantitative and qualitative data collection: sample size calculator for quantitative surveys, Rapid Guide to Survey Sampling, Rapid Guide to Describing Survey Methodology, Rapid Guide to Individual Interviews, Checklist for Conducing Quantitative Surveys, Surveys Budgeting Checklist, Surveys Logistics Checklist, and Quality Improvement and Verification Checklists (QIVC) for conducting individual interviews and focus group discussions.