INFERENTIAL TESTS

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  • Created by: Katie
  • Created on: 20-08-19 17:26
what are the 2 conditions for spearman's rho
1. correlational research 2. ordinal
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what is the value calculated for spearmans rho
rho value
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what are the 3 rules to find the critical value for spearmans rho
1. number of pp 2. one r two tailed hypothesis 3. significance level (normally0.05)
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what is the rule for significance
rho is GREATER THAN OR EQUAL to the critical value reject null accept experimental
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what are the 2 conditions for pearsons R
1.correlational research 2. interval data
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what is the value calculated in pearsons r
'r' value
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3 conditions for pearsons r
1. degrees of freedom (pp) 2.one or two tailed hypothesis 3.level of significance
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significance of pearsons r
GREATER THAN OR EQUAL TO reject null accept experimental
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3 conditions of related t test
1. repeated measures design 2. interval data 3. the data has to be related
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what is the value of a related t test
t
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3 conditions of finding the critical value of a related t test
1. significance 0.05 2. one or two tailed 3. number of pp-1
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significance of related t test
GREATER THAN OR EQUAL TO
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what are the 3 conditions for an UNrelated t test
1. independant groups design 2. interval data 3. the data is normally distributed within the the group
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what curve would you expect the data to have in an unrelated t test
bell shaped
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value calculated for unrelated t
T
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3 conditions for the critical value of unrelated t
1. one or two tailed 2. significance level 3. (amount of pp in group 1) + (amount of pp in group 2) -2
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significance for unrelated t
GREATER THAN OR EQUAL TO
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conditions for wilcoxon t test
1. same pp in each group 2. ordinal data 3. repeated measures or matched pairs
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what is the value calculated for wilcoxon t test
T
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3 conditions for the citical value
1. n=sample size 2. one or two tailed 3. significance
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significance
Less than or equal to the critical value
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3 conditions for mann whitney U
1. ordinal data 2.independant groups 3. one score from each pp
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value calculated for mann whitney U
U
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conditions for critical value of mann whitney U
1.level of significance 2.appropriate table for one\two tailed hypothsis 3.on the two way table look up value appropriate
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significance of mann whitney u
less than or equal to
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what does a chi squared test tell you
when a result becomes significant
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conditions for chi squared
1.nominal data on frequencies 2. independant groups design 3. test of difference between groups
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value calculated for chi squared
observed value
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rules for critical value chi squared
one or two tailed 2. level of significance 3. df= (number of rows-1) x (number of columns -1)
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significance of chi squared
greater than or equal to
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conditions for sign test
1. nominal data 2. data in discreet categories 3. repeated measures/matched pairs
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how to calculate a sign test
1. calacualte difference befroe and after scores 2. count up number of +\- 3. lowest of 2 values is critical
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rules for critical value in a sign test
1. 1/2 tailed 2. number of pp 3. level of significance
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significance of sign
less than or equal to the critical value
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3 repeated measures tests
1. related t test 2. wilcoxon test 3. sign test
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3 independant groups test
1. chi squared 2. mann whitney u 3. unrelated t
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2 correlation tests
1. spearman's rho 2. pearsons r
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what data is for a sign test
nominal
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what type of data is wilcoxon
ordinal
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what type of data is related t
interval
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what type of data is chi squared
nominal
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what type of data is unrelated t
interval
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what type of data is mann whitney U
ordinal
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what type of data is pearsons r
interval
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what type of data is spearmans rho
ordinal
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what is the value calculated for spearmans rho

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rho value

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what are the 3 rules to find the critical value for spearmans rho

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Card 4

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what is the rule for significance

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what are the 2 conditions for pearsons R

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