cause_and_effect.qmd

# Cause and Effect {#sec-cause-and-effect}

In this part of the material, we are going to take a close look at **the** fundamental issue we care about when performing a scientific experiment: _cause and effect_. For this we need to be aware of something called _Causal Inference_, which is a large and separate field of study, but from which we will borrow some key ideas.