Glossary
Author | Nathan Baker |
Pages | 215-219 |
Glossary
Accuracy:
the
proportion
of
true
positive
results
(both
negative
and
positive)
in
the
tested
group,
i.e.,
(true
positives
+
true
negatives)
divided
by
total
number
of
tests.
A
test
may
be
sensitive
and
specific
but
still
not
accurate.
Accuracy
means
how
dose
the
measurement
is
to
a
known
value
—
think
of
a
target
with
shots
all
around
the
bull
’
s-eye
as
accurate
but
not
necessarily
predse
Additive
effect:
where
two
or
more
drugs
act
together
to
have
a
total
effect
the
same
as
the
sum
of
their
individual
effects,
i.e.,
1
+
1
=
2
ADSE
(Approved
Drug
Screening
Equipment):
one
of
a
listed
number
of
equipment
for
the
testing
for
the
presence
of
drugs
in
the
human
body
prescribed
by
regulation
made
pursuant
to
the
Criminal
Code
of
Canada
Al
(Approved
Instrument):
one
of
a
listed
number
of
instruments
for
the
testing
of
breath
to
determine
the
quantity,
if
any,
of
alcohol
in
a
person
’
s
blood
as
prescribed
by
regulation
made
pursuant
to
the
Criminal
Code
of
Canada,
i.e.,
Intoxilyzer
5000C
Antagonistic
effect:
where
two
or
more
drugs
act
together
to
have
an
effect
greater
than
the
sum
of
their
individual
effects,
i.e.,
1
+
1
=
1
ASD
(Approved
Screening
Device):
one
of
a
listed
number
of
devices
for
the
testing
of
breath
to
screen
for
the
quantity,
if
any,
of
alcohol
in
a
person
’
s
215
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