Test Construction
Eppp Knowledge · Flashcards · Application
EPPP KNOWLEDGE · FLASHCARDS
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QUESTION
Compute sensitivity when
T
P
=
45
TP=45
T
P
=
45
and
F
N
=
5
FN=5
F
N
=
5
.
QUESTION
Compute
z
z
z
when
X
=
70
X=70
X
=
70
,
μ
=
50
\mu=50
μ
=
50
, and
σ
=
10
\sigma=10
σ
=
10
.
QUESTION
Using Spearman-Brown, find
r
n
e
w
r_{new}
r
n
e
w
if
r
o
l
d
=
0.60
r_{old}=0.60
r
o
l
d
=
0.60
and length is doubled (
n
=
2
n=2
n
=
2
).
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ANSWER
r
n
e
w
=
0.75
r_{new}=0.75
r
n
e
w
=
0.75
. Increasing length enhances reliability by reducing measurement error as per the prophecy formula.
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