Resources for Causal Reasoning in Health Services Research

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Glossary of Terms

Markov assumption
Definition
Markov assumption

conditional on its parents, a variable is independent of any other variable in the directed acyclic graph

Conditional probability
Definition
Conditional probability

the quotient of the joint probability of two events in the same space and the marginal probability of one of the events

Randomness
Definition
Randomness

the lack of deterministic pattern in occurrence

Indirect effect
Definition
Indirect effect

the expected change in outcome in response to changing mediating variable to the level it would have attained had exposure changed by one unit, while holding exposure at initial level

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