The COVID-19 pandemic has infected over 38 million people around the world and is showing no signs of going away any time soon. Researchers worldwide are frantically working on developing an effective ...

Probability-based panel: This refers to a national survey panel recruited using random sampling from a database that includes most people in the population. Today, most such panels in the United ...

This paper presents preliminary results of an empirical study of probability sampling designs based on the study of seven attributes of collared rimsherds from six totally or almost totally excavated ...