Moderation and Mediation in Statistical Analysis
Applied Statistical
Analysis
EDUC 6050
Week 12
Finding clarity using data
Today
2
Moderation vs.
Mediation
3
Mediation
Moderation
•
Synonym for
interaction
•
Jamovi performs this
•
“The effect of X on
Y depends on M”
•
Tells us about the path
of an effect
•
from one variable to an
intermediate one then to the
outcome
•
Jamovi does not have
built in ways to performs
this
•
“The effect of X goes
through M to Y”
4
Moderation
X
Mod
Y
5
Mediation
X
Med
Y
6
Mediation
Use specialized software for this (Jamovi
can’t do it yet)
Be aware of it but you do not need to know
how to do it for this class
7
Why Do We Talk About
Mediation?
Helps us think more about how things are
actually happening in the real world
Helps us think about confounding better
8
The Four Confounds
From Richard McElreath
No Application
This Week
9
Questions?
Please post them to the
discussion board before
class starts
10
Exploring the concepts of moderation and mediation in statistical analysis, this content discusses how these processes help clarify the relationships between variables. It highlights the role of mediation in understanding real-world phenomena and addresses the need for specialized software for mediation analysis. The images provided illustrate the concepts and practical applications of moderation and mediation.
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Presentation Transcript
Applied Statistical Analysis EDUC 6050 Week 12 Finding clarity using data
Today Moderation vs. Mediation 2
Moderation Mediation Tells us about the path of an effect from one variable to an intermediate one then to the outcome Jamovi does not have built in ways to performs this The effect of X goes through M to Y Synonym for interaction Jamovi performs this The effect of X on Y depends on M 3
Moderation Mod X Y 4
Mediation Med X Y 5
Mediation Use specialized software for this (Jamovi can t do it yet) Be aware of it but you do not need to know how to do it for this class 6
Why Do We Talk About Mediation? Helps us think more about how things are actually happening in the real world Helps us think about confounding better 7
The Four Confounds 8 From Richard McElreath
No Application This Week 9
Questions? Please post them to the discussion board before class starts 10
