Psychology
as
a
subject
of
study
____________________
largely
developed
in
the
West
,
since
the
late
nineteenth
century
.
During
this
period
there
has
been
an
emphasis
on
scientific
thinking
.
Because
of
this
emphasis
,
there
have
been
many
scientific
studies
in
psychology
which
____________________
different
aspects
of
human
nature
.
These
include
studies
into
how
biology
(
physical
factors
)
influence
human
experience
,
how
people
use
their
____________________
(
touch
,
taste
,
smell
,
sight
and
hearing
)
to
____________________
to
know
the
world
,
how
people
develop
,
why
people
behave
in
certain
ways
,
how
memory
works
,
how
people
develop
language
,
how
people
____________________
and
think
about
the
world
,
what
motivates
people
,
why
people
have
emotions
and
how
personality
develops
.
These
scientific
____________________
all
contribute
to
an
understanding
of
human
nature
.
