<s>
LISREL	B-Algorithm
(	O
linear	O
structural	O
relations	O
)	O
is	O
a	O
proprietary	O
statistical	B-Algorithm
software	I-Algorithm
package	I-Algorithm
used	O
in	O
structural	O
equation	O
modeling	O
(	O
SEM	O
)	O
for	O
manifest	O
and	O
latent	O
variables	O
.	O
</s>
<s>
LISREL	B-Algorithm
was	O
developed	O
in	O
the	O
1970s	O
by	O
Karl	O
Jöreskog	O
,	O
then	O
a	O
scientist	O
at	O
Educational	O
Testing	O
Service	O
in	O
Princeton	O
,	O
New	O
Jersey	O
,	O
and	O
Dag	O
Sörbom	O
,	O
later	O
both	O
professors	O
of	O
Uppsala	O
University	O
in	O
Sweden	O
.	O
</s>
<s>
The	O
most	O
current	O
version	O
is	O
LISREL	B-Algorithm
11	O
and	O
can	O
be	O
downloaded	O
from	O
.	O
</s>
<s>
LISREL	B-Algorithm
is	O
mainly	O
syntax-based	O
,	O
although	O
recent	O
versions	O
have	O
featured	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
.	O
</s>
