Sensation, Thresholds, and Psychophysics (6A)
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QUESTION
In Stevens' power law, which condition holds when
0
<
n
<
1
0<n<1
0
<
n
<
1
: compression or expansion?
QUESTION
Using Weber's law, find
Δ
I
\Delta I
Δ
I
if
I
=
100
I=100
I
=
100
and
k
=
0.05
k=0.05
k
=
0.05
.
QUESTION
Using Weber's law, what is
Δ
I
\Delta I
Δ
I
if
I
=
100
I=100
I
=
100
and
k
=
0.05
k=0.05
k
=
0.05
?
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ANSWER
Δ
I
=
5
\Delta I=5
Δ
I
=
5
. Apply Weber's law:
Δ
I
=
k
×
I
=
0.05
×
100
\Delta I = k \times I = 0.05 \times 100
Δ
I
=
k
×
I
=
0.05
×
100
.
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