-
Psychology and Life
When
you
begin
your
introductory
course
in
psychology,
you
may
be
quite
pleasantly
surprised
by
the
wide-
ranging
terrain
of
contemporary
psychology.
Psychology
and
Life
will
reveal
the
intricacies
of
your
human
experience
through
rigorous research. Psychology and Life
will lead you from the inner spaces of brain
and
mind
to
the
outer
dimensions
of
human
behavior.
We
will
investigate
the
processes
that
provide
meaningful
structure
to
your
experiences,
such
as
how
you
perceive
the
world,
communicate,
learn,
think,
and
remember.
We
will
try
to
understand
the
more
dramatic
expressions
of
human
nature,
such
as
how
and
why
people
dream, fall in love, act aggressively, and become
mentally ill.
Finally,
we
will
demonstrate
how
psychological
knowledge
can
be
used
to
understand and change
cultural forces at work in our lives. As authors
of Psychology
and
Life,
we
believe
in
the
power
of
psychological
expertise.
The
appeal
of
psychology has grown personally for us
over our careers as educators and researchers.
In recent years, there has been a
virtual explosion of new information about the
basic
mechanisms
that
govern
mental
and
behavioral
processes.
As
new
ideas
replace
or
modify
old ideas, we are continually intrigued and
challenged by the many fascinating
pieces of the puzzle of human nature.
Foremost in the
journey will be a scientific quest or
understanding. We shall
inquire about
the how, what, when, and why of human behavior and
about the causes
and
consequences
of
behaviors
you
observe
in
yourself,
in
other
people,
and
in
animals. We will explain
why you think, feel, and behave as you do. What
makes you
uniquely different from all
other people? Yet why do you often behave so much
like
others? Are you molded by
heredity, or are you shaped more by personal
experiences?
How an aggression and
altruism, love and hate, and madness and
creativity exist side
by side in this
complex creature-the human animal?
To
appreciate
the
uniqueness
and
unity
of
psychology,
you
must
consider
the
way
psychologists
define
the
field
and
the
goals
they
bring
to
their
research
and
applications.
By
the
end
of
the
book,
we
will
encourage
you
to
think
like
a
psychologist.
In
this
first
section,
we’ll
give
you
a
strong
idea
of
what
that
might
mean.
Many
psychologists
seek
answers
to
this
fundamental
question:
what
is
human
nature? Psychology answers this
question by looking at
processes that
occur within
individuals as
well as forces that arise within the physical and
social environment. In
this
light,
we
formally
define
psychology
as
the
scientific
study
of
the
behavior
of
individuals
and
their
mental
processes.
Let’s
explore
the
critical
parts
of
this
definition: scientific,
behavior, individual, and mental.
The
scientific
aspect
of
psychology
requires
that
psychological
conclusions
be
based on evidence
collected according to the principles of the
scientific method. The
scientific
method consists of a set of orderly steps used to
analyze and solve problems.
This
method uses objectively
collected information as the factual
basis for drawing
conclusions. We will
elaborate on the features of the scientific method
more fully in
Chapter 2, when we
consider how psychologists conduct their research.
Behavior is the means by which
organisms adjust to their environment. Behavior
is action. The subject matter of
psychology largely consists of the observable
behavior
of humans and other species of
animals. Smiling, crying, running, hitting,
talking, and
touching
are
some
obvious
examples
of
behavior
you
can
observe.
Psychologists
examine what the individual does and
how the individual goes about doing it within a
given behavioral setting and in the
broader social or cultural context.
The
subject
of
psychological
analysis
is
most
often
an
individual-a
newborn
infant,
a
teenage
athlete,
a
college
student
adjusting
to
life
in
a
dormitory,
a
man
facing a
midlife career change, or a woman coping with the
stress of her husband’s
deterioration
from
Alzheimer’s
disease.
However,
the
subject
might
also
be
a
chimpanzee learning to use symbols to
communicate, a white rat navigating a maze,
or
a
sea
slug
responding
to
a
danger
signal.
An
individual
might
be
studied
in
its
natural habitat or in
the controlled conditions of a research
laboratory.
Many
researchers
in
psychology
also
recognize
that
they
cannot
understand
human
actions
without
also
understanding
mental
processes,
the
workings
of
the
human
mind.
Much
human
activity
takes
place
as
private,
internal
events-thinking,
planning, reasoning, creating, and
dreaming. Many psychologists believe that mental
processes represent the most important
aspect of psychological inquiry. As you shall
soon
see,
psychological
investigators
have
devised
ingenious
techniques
to
study
mental
events and processes-to make these private
experiences public.
The combination of
these concerns defines psychology as a unique
field. Within
the
social
sciences,
psychologists
focus
largely
on
behavior
in
individuals,
whereas
sociologists study the behavior of
people in groups or institutions, and
anthropologists
focus on the broader
context of behavior in different cultures: Even
so, psychologists
draw broadly from the
insights of other scholars. Psychologists share
many interests
with
researchers
in
biological
sciences,
especially
with
those
who
study
brain
processes
and
the
biochemical
bases
of
behavior.
As
part
of
the
emerging
area
of
cognitive
science,
psychologists’questions
about
how
the
human
mind
works
are
related to research and
theory in computer science, artificial
intelligence, and applied
mathematics.
As
a
health
science-with
links
to
medicine,
education,
law,
and
environmental
studies-
psychology
seeks
to
improve
the
quality
of
each
individual’s
and the collective’s
well
-being.
Although the
remarkable breadth and depth of modern psychology
are a source of
delight
to
those
who
become
psychologists,
these
same
attributes
make
the
field
a
challenge to the student
exploring it for the first time. There is so much
more to the
study of psychology than
one expects initially-and, because of that, there
will also be
much of value that you can
take away from this introduction to psychology.
The best
way to learn about the field
is to learn to share psychologists’ goals.
Let’s
consider
those goals.
To appreciate
the uniqueness and unity of psychology, you must
consider the way
psychologists
define
the
field
and
the
goals
they
bring
to
their
research
and
applications.
By
the
end
of
the
book,
we
will
encourage
you
to
think
like
a
psychologist.
In
this
first
section,
we’ll
give
you
a
strong
idea
of
what
that
might
mean.
Many
psychologists
seek
answers
to
this
fundamental
question:
what
is
human
nature? Psychology answers this
question by looking at
processes that
occur within
individuals as
well as forces that arise within the physical and
social environment. In
this
light,
we
formally
define
psychology
as
the
scientific
study
of
the
behavior
of
individuals
and
their
mental
processes.
Let’s
explore
the
critical
parts
of
this
definition: scientific,
behavior, individual, and mental.
The
scientific
aspect
of
psychology
requires
that
psychological
conclusions
be
based on evidence
collected according to the principles of the
scientific method. The
scientific
method consists of a set of orderly steps used to
analyze and solve problems.
This
method uses objectively
collected information as the factual
basis for drawing
conclusions. We will
elaborate on the features of the scientific method
more fully in
Chapter 2, when we
consider how psychologists conduct their research.
Behavior is the means by which
organisms adjust to their environment. Behavior
is action. The subject matter of
psychology largely consists of the observable
behavior
of humans and other species of
animals. Smiling, crying, running, hitting,
talking, and
touching
are
some
obvious
examples
of
behavior
you
can
observe.
Psychologists
examine what the individual does and
how the individual goes about doing it within a
given behavioral setting and in the
broader social or cultural context.
The
subject
of
psychological
analysis
is
most
often
an
individual-a
newborn
infant,
a
teenage
athlete,
a
college
student
adjusting
to
life
in
a
dormitory,
a
man
facing a
midlife career change, or a woman coping with the
stress of her husband’s
deterioration
from
Alzheimer’s
disease.
However,
the
subject
might
also
be
a
chimpanzee learning to use symbols to
communicate, a white rat navigating a maze,
or
a
sea
slug
responding
to
a
danger
signal.
An
individual
might
be
studied
in
its
natural habitat or in
the controlled conditions of a research
laboratory.
Many
researchers
in
psychology
also
recognize
that
they
cannot
understand
human
actions
without
also
understanding
mental
processes,
the
workings
of
the
human
mind.
Much
human
activity
takes
place
as
private,
internal
events-thinking,
planning, reasoning, creating, and
dreaming. Many psychologists believe that mental
processes represent the most important
aspect of psychological inquiry. As you shall
soon
see,
psychological
investigators
have
devised
ingenious
techniques
to
study
mental
events and processes-to make these private
experiences public.
The combination of
these concerns defines psychology as a unique
field. Within
the
social
sciences,
psychologists
focus
largely
on
behavior
in
individuals,
whereas
sociologists study the behavior of
people in groups or institutions, and
anthropologists
focus on the broader
context of behavior in different cultures: Even
so, psychologists
draw broadly from the
insights of other scholars. Psychologists share
many interests
with
researchers
in
biological
sciences,
especially
with
those
who
study
brain
processes
and
the
biochemical
bases
of
behavior.
As
part
of
the
emerging
area
of
cognitive
science,
psychologists’questions
about
how
the
human
mind
works
are
related to research and
theory in computer science, artificial
intelligence, and applied
mathematics.
As
a
health
science-with
links
to
medicine,
education,
law,
and
environmental
studies-
psychology
seeks
to
improve
the
quality
of
each
individual’s
and the collective’s
well
-being.
Although the
remarkable breadth and depth of modern psychology
are a source of
delight
to
those
who
become
psychologists,
these
same
attributes
make
the
field
a
challenge to the student
exploring it for the first time. There is so much
more to the
study of psychology than
one expects initially-and, because of that, there
will also be
much of value that you can
take away from this introduction to psychology.
The best
way to learn about the field
is to learn to share psychologists’ goals.
Let’s
consider
those goals.
The goals of
the psychologist conducting basic research are to
describe, explain,
predict,
and
control
behavior.
These
goals
form
the
basis
of
the
psychological
enterprise.
What is involved in trying to achieve each of
them?
The
first
task
in
psychology
is
to
make
accurate
observations
about
behavior.
Psychologists
typically
refer
to
such
observations
as
their
data
(data
is
the
plural,
datum the singular).Behavioral data are
reports of observations about the behavior of
organisms
and
the
conditions
under
which
the
behavior
occurs.
When
researchers
undertake
data
collection,
they
must
choose
an
appropriate
level
of
analysis
and
devise measures of behavior that ensue
objectivity.
In
order
to
investigate
an
individual’s
behavior,
researchers
may
use
different
levels
of
analysis-from
the
broadest,
most
global
level
down
to
the
most
minute,
specific level.
Suppose, for example, you were trying to describe
a painting you saw
at a museum . At a
global level, you might describe it by title,
Bathers, and by artist,
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