data analysis : kinds of data Flashcards
define qualitative data
data that is expressed in words and non-numerical
what may qualitative data be converted into and why ?
into numerical data for analysis
define quantitative data
data that can be counted, usually given as numbers
define primary data
information that has been obtained first hand by the researcher for the purpose of a research project
in psychology where would primary data typically be gathered ?
directly from the participants as part of an experiments , (self-report or observation)
define secondary data
information that has been collected by someone else and so predates the current research project
in psychology what would secondary data include ?
the work of other psychologists or government statistics
define meta-analysis
a research method where the results of many studies on the same topic are combined and analyzed together
why is meta-analysis used ?
this helps researchers get a clearer overall picture of the findings by looking at a large amount of data
give an example of meta-analysis
if many studies have looked at the effectiveness of therapy for depression, a meta-analysis would combine their results to find out how effective therapy is overall
what may qualitative data take the form of ?
written description of the thoughts,feelings and opinions of participants
give an examples of qualiative data
- a transcript from an interview
- an extract from a diary
- notes recorded within a counselling session
where might one collect qualitative data ?
from interviews or unstructured observation
what do quantitative data collection techniques usually gather?
numerical data in the form of individual scores from participants
give an example of quantitative data collection techniques ?
- number of words a person was able to recall in a memory experiment
what is quantitative data open to do ?
being analysed statistically