Research methods pt 2 Flashcards
what do correlation coefficents show
the strength and direction of a relationship
correlation coefficients are represented are how correlations are represented numerically and range from ____ to ____
-1 , +1
the closer to ___ the stronger a correlation is
one
what are some strengths of correlational studies
+ useful starting point for research : finding a relationship between two co-variables can kickstart research into why there is a relationship
+ quick and economical : no manipulation and can use secondary data
what are some limitations of correlational studies
- correlation does not mean causation : for example as ice cream sales increase so do homicides , a correlation but one does not prove the other
- third untested variable ; something else may be responsible for the supposed correlation between 2 variables , however the researcher does not know to test for this and is unaware of it’s existence
what is a case study
an in depth investigation of an individual, group, institution or event
what are some examples of case studies
little albert
HM
KF
little hans
clive wearing
Koluchova’s twins
what is a strength of case studies
- extreme detail/ internal validity : useful starting point for larger research ( idiographic research that branches into nomothetic)
what is a limitation of case studies
- small sampling frame & subjective : this means findings from case studies are ungeneralizable to a wider population and therefore lack external validity
what is a content analysis
the indirect study of poeple’s behaviours via their communication
what are the two types of content analysis
coding
thematic
what is coding analysis
when you decide on your category and count each time they appear in the data
what is thematic analysis
uncovering broad themes within the data and accounting for those
coding analysis is qua______
quantitative (numerical)
thematic analysis is qua______
qualitative (non-numerical)