A2 AQA Research Methods Quiz

I used AQA maarkschemes, Psychology A2-The complete companion student book and http://www.simplypsychology.org/science-psychology.html

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What is type 1 error?
Where the researcher rejects the null hypothesis (or accepts the research/alternative hypothesis) when in fact the effect is due to chance as the level of significance isn't stringent enough
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What is the purpose of an abstract?
To provide a short summary of the study and provide sufficient information to establish whether the report is worth reading
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What is a type 2 error?
Where the researcher accepts the null hypothesis (or rejects the research/alternative hypothesis) when in fact the effect isn't due to chance as the level of significance is too stringent
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When should a Mann-Whitney test be used?
It's an independent groups design, at least ordinal data is collected and a test of difference
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When should Wilcoxon test be used?
It's a matched-pairs or repeated measures design, at least ordinal data has been collected and its a test of difference
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When should Spearman's Rho be used?
Its finding a correlation/relationship between 2 variables and its collecting at least ordinal data
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When should a Chi-squared be used?
It finds nominal data, its a test of difference and the categories are independent from one another
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What is concurrent validity?
Taking another measuring instrument and measuring the same participants and comparing the 2 sets of scores/results and if they agree the measure has high validity
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What is content validity?
Ask an expert(s) in the field to assess the measuring instrument to see if they are an accurate measure of the subject
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What is construct validity
Seeing how closely the measuring instrument relates to theoretical constructs
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Why would a directional hypothesis be used instead of a non-directional?
Findings of previous research pointed in a particular direction
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A directional hypothesis is also known as a..........
One-tailed hypothesis
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What is repeatability?
Findings of a study can be replicated by other researchers at a different time
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What is objectivity?
When all sources of bias are reduced and/or eliminated
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What is empirical evidence?
Data being collected through direct observation or experiment and it doesn't rely on argument or belief
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What is empiricism?
Idea that only source of knowledge comes from experience
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Other cards in this set

Card 2

Front

What is the purpose of an abstract?

Back

To provide a short summary of the study and provide sufficient information to establish whether the report is worth reading

Card 3

Front

What is a type 2 error?

Back

Preview of the front of card 3

Card 4

Front

When should a Mann-Whitney test be used?

Back

Preview of the front of card 4

Card 5

Front

When should Wilcoxon test be used?

Back

Preview of the front of card 5
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