Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

Empirical research requires good data to complement statistical rigor in providing answers to global poverty questions. Poor data quality can lead to biases in causal inference, lower the probability ...

Marsha Habib terafiliasi dengan PUSKAPA. Santi Kusumaningrum does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has ...