https://fanghuiz.github.io/ps0700/tags/polling/ Recent content in Polling on Political Science Research Methods Hugo -- gohugo.io en-us &copy; Fanghui Zhao 2019 <i class="fas fa-tree" style="color: #40a990;"></i> Fri, 01 Mar 2019 00:00:00 -0500 https://fanghuiz.github.io/ps0700/post/2019-03-01-survey/ Fri, 01 Mar 2019 00:00:00 -0500 https://fanghuiz.github.io/ps0700/post/2019-03-01-survey/ Table of Contents In the class we talked about surveys having high external validity, but weak in internal validity. Does external validity take precedence (over internal validity) in terms of importance, or vice versa? Is random sampling and randomization the same thing? How can we account for coverage error in experimental studies? In the class we talked about surveys having high external validity, but weak in internal validity.