https://fanghuiz.github.io/ps0700/tags/natural-experiment/ Recent content in Natural experiment 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 Feb 2019 00:00:00 -0500 https://fanghuiz.github.io/ps0700/post/2019-02-01-natural-experiment/ Fri, 01 Feb 2019 00:00:00 -0500 https://fanghuiz.github.io/ps0700/post/2019-02-01-natural-experiment/ Table of Contents Natural Experiments In class you mentioned “Natural experiments based on geographical boundaries can be complicated by human factors”. Can you explain a bit more what this means? How would we know if the “as-if randomization” assumption is valid? Observational studies Is there any way to get rid of confounding variables in observational studies? How are longitudinal studies and cross-sectional studies different?