Qualitative And Quantitative Flashcards
What is quantitative data?
Numerical data, quantity based on numbers and statistical analysis
What is qualitative data?
Data that gives you a valid picture if what is really happening, mainly based on non statistical data and normally requires long answers
What are the 3 main methods of obtaining qualitative data?
Unstructured observations
Unstructured interviews
Structured observations
What level of external validity does qualitative date have?
High
What level of internal validity does qualitative date have?
Low
What level of reliability does qualitative data have?
Low
Why does qualitative data have high external validity?
Because it’s true to real life
Why does qualitative data have low internal validity?
Because observers could miss things
Why does qualitative data have low reliability?
It’s hard to replicate
What type of data does central tendency and standard deviation deal with?
Quantitative data
What do measures of central tendency inform us about?
The middles values of a set of data-averages
What are 3 ways averages can be worked out?
Mode
Mean
Medium
If you were asked to calculate the central tendency, what would it mean?
Mode
Mean
Medium
How is the mean calculated?
By adding up all the numbers and dividing by how many numbers their are
How can the medium be worked out?
The middle value in the ordered list
