Psychology Data Recording, analysis and presentation

What is nominal level data?
Data that is under named categories
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What is ordinal level data?
Data that is in order
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What is interval level data?
Same as ordinal but gaps in between the data matter and are equal
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What is primary data?
Data gathered first hand from the sample
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What is secondary data?
Data gathered from research conducted by another researcher
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What is another word for 'measures of central tendency'?
Average
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What is the mean?
Average: add them all up and divide by how many there are
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What is the mode?
Most common
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What is the median?
The one in the middle when put in order
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What are measures of dispersion?
The variance or spread of scores in a data set
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What is variance?
average of squared differences from the mean
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What is the range?
Spread of scores within data set- take the smallest number from the largest
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What is standard deviation?
Square root of the variance
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In a skewed distribution curve where does the curve lean if it is positive?
To the left
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In a skewed distribution curve where does the curve lean if it is negative?
To the right
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What is the significance level?
Probability that pattern in results could have arisen by chance p
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What level is the null hypothesis rejected at?
p < 0.05
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Give two examples of parametric tests
T-tests and the ANOVA test
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What is a Type 1 Error?
When you reject the null hypothesis when it's true
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What is a Type 2 Error?
When you reject the null hypothesis when it's false
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What is reliability?
Consistency of a measure
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What is internal reliability?
Consistency of results across different conditions within a test
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What is inter-rater reliability?
Extent to which 2 researchers observe same behaviour
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What is external reliability?
Test produces same results in same situation with the same people
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What is validity?
How accurate a piece of research is measuring what it aims to measure
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What is internal validity?
Extent to which procedures in study achieve intended measures
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What is face validity?
Extent to which measure has 'face value' and appears to test what it claims
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What is concurrent validity?
Extent to which different measures of same phenomenon produce same results in same circumstances
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What are the 6 ethical considerations?
Informed consent, right to withdraw, debrief, protection of participants, deception and confidentiality
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Other cards in this set

Card 2

Front

What is ordinal level data?

Back

Data that is in order

Card 3

Front

What is interval level data?

Back

Preview of the front of card 3

Card 4

Front

What is primary data?

Back

Preview of the front of card 4

Card 5

Front

What is secondary data?

Back

Preview of the front of card 5
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