Data and sampling Flashcards
What is a target population?
The population youre investigating
Positivies of using interviews and focus groups
- Produces insightful info
Great for asking why and how questions
Negatives of interviews and focus groups
Time consuming to analyse and obtain the data
Done on a fairly small number of participants
What is measure of dispersion
How varied the data in your data set is
usually measured how far away from the mean
What does continous data means in terms of a graph
Every piece of data will have a plot
You can find the mean
When is the t-test used
Compares the means of two sets of data
When is standard deviation used.
Compares the data spread in comparison to the mean
When is the chi-aquared test used?
The signi of the difference between observed and expexted results.
Ethics of studies
Social/scientific value
Care and protection of research participants
Informed concent
Confidentiality
