Q&A and Miscellaneous Thoughts

Box plot is a powerful way to visualize the distribution of a continuous variable. However, it hides crucial information when our data …

Q&A on external validity of survey research, random sample vs randomization, and coverage errors in samples used for experimental …

Q&A on the logics of Mill’s method of comparison, externality validity issues in small-N comparative designs, and selecting …

Q&A on costs of voting, and government shutdown through game theory lens

Q&A on natural experiments leveraging on geographical boundary, the ‘as-if’ randomization assumption, and dealing with …

Q&A on informed consent in research, the controversial Montana GOTV experiment, and experiments on development programs

Simple demonstration of reliability and validity tests in Stata using racial resentment scale as an example

Q&A on measurement errors, measurement validity and reliability, and levels of measurement