Let's start with Health Policy 101 , a mini "textbook" created by KFF to introduce key health issues in health policy. Then we'll move on to DATA! The resources below provide a comprehensive overview of available datasets and the kind of research opportunities they support.

• Data Resources for Conducting Health Services and Policy Research

• Comparison of National Data Sources to Assess Preventive Care in the US Population

• Guide to HHS Surveys and Data Resources

• Big Data for Epidemiology by Tiffany B. Kindratt

• Secondary Data Sources for Public Health by Sarah Boslaugh 

"The Path From Cause to Effect" 

• I like these videos by Josh Angrist (and his books!). The first fun video is this: YouTube link

• Causal Inference: The Mixtape by Scott Cunningham

• The Effect: An Introduction to Research Design and Causality by Nick Huntington-Klein, and these cool graphs

• Foundations of Program Evaluation: Regression Tools for Impact Analysis by Jesse Lecy & Federica Fusi

• Data related to examples in Mastering Metrics 

• I like this series by Dough Altman & Martin Bland: Statistics Notes in the British Medical Journal

• A great collection of quasi-experimental design papers - Journal of Clinical Epidemiology:  Quasi-Experimental Study Designs Series

Misc.

• Great Resources from Columbia University's Mailman School of Public Health

• DiD

• Harvard Catalyst

• The Policy Surveillance Program

• CDC Wonder

• Health Statistics & Data: Datasets/Raw Data - Berkeley Library

• Population Health and Health Services Research Datasets - UCSF

• Healthy People 2030