Data Analysis Flashcards
What does testing a difference mean?
Testing whether one set of score are higher/lower than those in another set
What does testing a correlation mean?
Whether there is a relationship between 2 sets of scores
What does an independent research design mean?
Comparison of 2 sets of scores that are unrelated
What does a related research design mean?
Comparison of 2 sets of scores from the same ppts (repeated measures design)
What does nominal data mean?
Ppts are put in categories and not given a score (no scales)
What does ordinal data mean?
Data will be put in a ranked order from scores
What does interval data mean?
the gaps in the data are identical so you can be twice as fast as someone FE
What does ratio data mean?
There is an absolute 0 there are no - numbers
What stats test would it be if it was testing:
Difference
Independent design
Ordinal Data
Mann-Whitney
What stats test would it be if it was testing:
Difference
Independent design
Nominal Data
Chi Squared
What stats test would it be if it was testing:
Difference
Related Design
Ordinal Data
Wilcoxon
What stats test would it be if it was testing:
Correlation
Ordinal Data
Spearman’s
What are statistical tests used for?
Difference or correlation between 2 sets of scores
Define significance?
If a finding is significant (p
What is significance measured in?
P values
What does a 1 tailed hypothesis mean?
It is a directional hypothesis
It predicts there will be a difference in a certain direction
There is previous research to support this
Significance is at 5% at the end of direction
What does a 2 tailed hypothesis mean?
There will be a difference but they don’t know in what direction
There is either no previous research or it is contradictory
Significance is at 2.5% at each end
What is a type 1 error?
You think you have a significant result when you don’t
What is a type 2 error?
Claiming you don’t have a significant result when you do
Name the methods of qualitative data collection?
Interview
Observations
Case Studies
How can you analyse the qualitative data?
Convert it into quantitative - was one group higher than the other?
If the account is rich enough just extract the data
Content analysis
Thematic analysis
What are the advantages of using qualitative data?
It has higher validity - truer to life
What are the disadvantages of using qualitative data?
There is not systematic way of collecting data meaning that biases/cherry picking/subjective interpretation come into play
