Observational Research -
Advantages and Disadvantages
Advantages
What people say they do is often different what they actually
do so observations might be valid than questionaires.
Gives a more realist picture of spontaneous behaviour, likely to have a high ecological validity.
Provides a means of conducting preliminary investigations
in a new area of research, to produce hypotheses for future
investigations.
Disadvantages
Can be little or no control of EV which may mean something
unknown to the observer may account for the behaviour
observed.
Observer may 'see' what he or she expects to see (observer bias), different observers 'see' different things,
leads to low-inter-rater reliability.
If Participants don't know they are being observed there are
ethical problems. If participants know they are being observed
they might alter their behaviour.