What is sampling? Why do we do it?
-sampling is a process of observing a subset of cases (or elements) from a broader population
-we observe these cases in order to make inferences about the underlying population
-why not obs
Lecture 4: Experimental Methods
October 1 2013
-one of the most influential perspectives on causality is counterfactual reasoning: If there was an
otherwise identical world where only X was different, would Y be different as well?
-many important political questions concern the behaviour, attitudes, motivations, intentions and
opinions on elite and mass public
-often the most direct way to understand these characteristics is to ask people
Methods Lecture 3
Concepts, Variables and Hypotheses
The Scientific Method
-recall the scientific method:
-causal question or puzzle is posed;
-a causal theory, model, or answer to that question is proposed;
-hypotheses or observable implications of that
Methods Lecture 2:
The Scientific Method and Causality
Science and the Scientific Method
What do political scientists do?
-most political scientists spend most of their time doing social science: developing and testing
What is Science?