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Wilcoxon
What is the accepted level of significance in Psychology
How do you find 'T'
Wilcoxon
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Psychology edexcel
Flashcards
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Questions
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Answers
1
How do you find 'T'
The biggest total of ranked differences (+ or -)
The smallest total of ranked differences (+ or -)
2
What is the accepted level of significance in Psychology
P<0.005
P<0.0005
P<0.05
P<0.50
3
Other than a study of difference, what are the two other criteria for selecting Wilcoxon
Ordinal data, repeated measures design
Nominal data, independent groups design
Nominal data, looking for a relationship
Nominal data, repeated measures design
4
Inferential statistics enable psychologists to...
Calculate central tendency of the data
Identify patterns
Calculate dispersion of data
Draw conclusions
5
When ranking the difference if you have a 'tied rank' what do you do?
Guess
Add the ranks
Find the average of the ranks
Find the range of the ranks
6
What is ordinal data?
Scaled data
Ordered data with a fixed unit of measurement
Named categories
7
In order to select a critical value you need to know...
Number of participants (-0 difference) & type of hypothesis
Number of participants and type of data
Type of data and type of hypothesis
Number of participants and type of hypothesis
8
Probability is a measure of...
Chance
Significance
Data
Inferential statistics
9
What will you not be asked to do in the exam?
Calculate
Recall formulas/ instructions
Select
Interpret
10
Once you have entered your data for both conditions in a table... you need to calculate what?
A/B
A-B
A+B
A x B
