PRIMARYGROUP
SECONDARYGROUP
FORMAL
INFORMAL
VOLUNTARY
INVOLUNTARY
SOCIALGROUPS
P
R
I
M
A
R
Y
G
R
O
U
P
H
P
V
O
L
U
N
T
A
R
Y
T
U
S
U
O
M
K
Z
H
N
E
Q
D
F
N
M
O
I
U
P
I
C
H
W
F
T
X
I
A
R
C
N
W
O
T
N
O
N
O
E
U
E
G
T
I
F
E
X
I
U
V
U
Q
E
Z
Y
I
I
A
O
B
F
T
B
U
O
U
K
R
A
L
K
L
R
H
P
O
S
C
U
L
A
U
E
B
D
G
M
E
N
F
R
C
E
D
U
I
W
I
I
R
A
X
J
V
Y
M
N
U
I
N
P
I
H
O
L
I
E
I
J
O
A
M
G
Z
T
S
X
U
J
B
Y
C
C
P
X
L
E
V
E
A
N
P
U
T
M
E
I
Z
P
R
U
H
P
O
R
S
W
D
S
R
X
I
A
E
Q
I
K
D
Y
Y
Q
Z