A
a
d
a
d
*
a
m
a
m
*
d
D
d
*
I
m
M
m
*
your
answer
strategy
a
simulated
estimate
estimate:
the
answer
you'll
get
a
conjectured
estimand
estimand:
the
answer
you
seek
a
simulated
dataset
your
data
strategy
the
dataset
you'll
get
inquiry:
the
question
you
ask
an
imagined
world
model:
the
worlds
you
consider
the
real
world
Theoretical side
Empirical side
Simulations
Design
Reality