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Duplicate of Research Methods: Inferential Statistical Tests Flashcards | StudBud
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Duplicate of Research Methods: Inferential Statistical Tests
Duplicate of Research Methods: Inferential Statistical Tests
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Psychology OCR Research Methods Inferential Statistical tests
Flashcards
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Questions
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Answers
1
p<0.05 means that there is a 95% probability that the results are due to the experiment
True
False
Partially true
2
The test for correlations is
Wilcoxon
Chi2
Mann Whitney U
Spearman's Rho
3
H
2
means a .... hypothesis
anything goes
Directional or 1 tailed
Non-directional or 2 tailed
Null
4
H
1
means a .... hypothesis
Null
Directional or 1 tailed
Non-directional or 2 tailed
5
A type 2 error is a false
laugh
positive
negative
6
Inferential statistics do what?
Calculate measures of dispersion
Infer probable conclusions
Calculate measures of central tendency
Describe and summarise the results
7
The test for ordinal data with a repeated measures design...
Mann Whitney U
Wilcoxon
Spearman's Rho
Chi2
8
The graph for interval data is
bar chart
histogram
line graph
scattergraph
9
Lower case 'p' in Psychology statistics section stands for
Product
Pearson
Probability
Partcipant
10
Ordinal level measurement/data is data
which is ranked
spaced evenly apart
in categories
scattered
11
The test for nominal data, independent measures
Spearman's
Chi2
Mann Whitney U
Wilcoxon
12
Descriptive statistics.......
compare calculated values to critical values
Describe and summarise the results
Infer probable conclusions
use statistical tests such as Wilcoxan
13
The test for nominal data, repeated measures
Wilcoxon
Mann Whitney U
Spearman's Rho
Chi2
14
Interval level measurement/data is data
in some form of order
with a true zero
with equal intervals between them
in categories
15
An extraneous variable is one which...
the independent variable
Should be controlled
the researcher measures
the dependent variable
16
Degrees of freedom equation = (rows - 1) x (columns - 1)
I like Donald Trump
True
False
17
p<0.05 means that there is 5% or less probability that the results are due to chance
True
Partially true
False
18
Nominal level measurement/data is data
ranked
with equal intervals between them
in some form of order
in categories
19
What is a dependent variable?
Naturally occuring
The co-variable
The one that is measured
The one that is manipulated
20
An independent variable is..
The variable the researcher manipulates
A factor that is extraneous.
The variable that is naturally occuring
The variable that differs between participants
21
The test for ordinal data with an independent measures
Chi2
Binomial
Wilcoxon
Mann Whitney U
22
The graph for ordinal data is
scattergraph
line graph
histogram
bar chart
23
A type 1 error is a false
negative
error
positive
neutral
24
The graph for nominal data
histogram
scattergraph
bar chart
line graph
25
H
0
means a .... hypothesis
Non-directional or 2 tailed
Nothing
Directional or 1 tailed
Null
