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Psychology Research Methods
Inferential statistics
Wilcoxon Signed Ranks
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Created by
Layla Baker
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Cards (6)
What type of test is Wilcoxon?
A
test
of
difference
What experimental design is Wilcoxon?
Related
What level of data is required for Wilcoxon?
Ordinal
What are the 4 steps of Wilcoxon
Plot
data
in
table
Calculate the
difference
between
the
two
ratings
Rank
the
differences
(previously calculated
ignoring
any
signs
or
0)
Calculate
the
sum
of the
ranks
of the
least
frequent
sign
to find the
observed
value
Calculate the
critical value
using the
critical
value
table
What does N stand for?
The
number
of
participants
who had a
difference
in
scores.
When is Wilcoxon significant?
When the
observed
value
is
less
than
or
equal
to
the
critical value
