<s>
The	O
Anna	B-General_Concept
Karenina	I-General_Concept
principle	I-General_Concept
states	O
that	O
a	O
deficiency	O
in	O
any	O
one	O
of	O
a	O
number	O
of	O
factors	O
dooms	O
an	O
endeavor	O
to	O
failure	O
.	O
</s>
<s>
In	O
statistics	O
,	O
the	O
term	O
Anna	B-General_Concept
Karenina	I-General_Concept
principle	I-General_Concept
is	O
used	O
to	O
describe	O
significance	O
tests	O
:	O
there	O
are	O
any	O
number	O
of	O
ways	O
in	O
which	O
a	O
dataset	O
may	O
violate	O
the	O
null	B-General_Concept
hypothesis	I-General_Concept
and	O
only	O
one	O
in	O
which	O
all	O
the	O
assumptions	O
are	O
satisfied	O
.	O
</s>
<s>
The	O
Anna	B-General_Concept
Karenina	I-General_Concept
principle	I-General_Concept
was	O
popularized	O
by	O
Jared	O
Diamond	O
in	O
his	O
1997	O
book	O
Guns	O
,	O
Germs	O
and	O
Steel	O
.	O
</s>
<s>
The	O
zebra	B-Device
is	O
of	O
special	O
note	O
in	O
the	O
book	O
,	O
as	O
it	O
was	O
recognized	O
by	O
local	O
cultures	O
and	O
Europeans	O
alike	O
as	O
extremely	O
valuable	O
and	O
useful	O
to	O
domesticate	O
,	O
but	O
it	O
proved	O
impossible	O
to	O
tame	O
.	O
</s>
<s>
Horses	O
in	O
Africa	O
proved	O
to	O
be	O
susceptible	O
to	O
disease	O
and	O
attack	O
by	O
a	O
wide	O
variety	O
of	O
animals	O
,	O
while	O
the	O
very	O
characteristics	O
that	O
made	O
the	O
zebra	B-Device
hardy	O
and	O
survivable	O
in	O
the	O
harsh	O
environment	O
of	O
Africa	O
also	O
made	O
it	O
fiercely	O
independent	O
.	O
</s>
<s>
Ecologist	O
Dwayne	O
Moore	O
describes	O
applications	O
of	O
the	O
Anna	B-General_Concept
Karenina	I-General_Concept
principle	I-General_Concept
in	O
ecology	O
:	O
</s>
<s>
Many	O
experiments	O
and	O
observations	O
of	O
groups	O
of	O
humans	O
,	O
animals	O
,	O
trees	O
,	O
grassy	O
plants	O
,	O
stockmarket	O
prices	O
,	O
and	O
changes	O
in	O
the	O
banking	O
sector	O
proved	O
the	O
modified	O
Anna	B-General_Concept
Karenina	I-General_Concept
principle	I-General_Concept
.	O
</s>
