EXPERIMENT
HYPOTHESIS
ANALYSIS
RESEARCH
PURPOSE
I
X
Q
U
V
P
V
F
A
M
W
E
Y
S
J
A
N
A
L
Y
S
I
S
X
I
G
O
X
U
I
S
Y
R
T
Q
P
E
W
H
E
D
U
I
B
E
V
Q
E
U
U
S
E
A
Q
S
J
S
Y
E
R
S
F
J
A
V
E
E
D
E
C
E
I
U
U
K
U
O
Q
H
L
A
A
S
M
A
X
I
P
F
N
T
K
R
H
O
E
I
B
H
O
U
K
O
A
C
U
P
N
M
D
A
E
E
A
P
U
H
Q
R
T
Q
E
W
F
A
I
Y
B
C
I
U
U
O
O
D
H
S
P
H
U
H
J
P
A
