pilot studies and more Flashcards
pilot study - define
a small test study conducted with a small number of ppt, to identify potential flaws in an experiment
the aims of pilot studies
it is a small scale trial run of the actual investigation
what is an advantage of pilot studies ?
cost effective
what are the disadvantage of pilot studies ?
researchers don’t analyse results so it is not reliable
what does pilot study provide in observational studies ?
a way of checking coding system before the real investigation is undertaken
why is self report methods helpful ?
to try out questions in advance and remove or reword those that are ambiguous or confusing
what does observational studies allow to identify in pilot studies ?
to allow potential issues and to modify the deign or procedure, saving time and money
single blind procedure
any info that might create expectations is not revealed until the end of the study to control for the confounding effects of demand characteristics
double blind procedure
neither the participants not the researcher who conducts the study is aware of the aims of the investigation
what is an experimental group ?
group receives the real drug
what is a control group ?
group that receives the placebo
when is control used for ?
for the comparison in many experimental studies
