terms Flashcards
sensitivity
the test says yes and reality is yes
specificity
the test says no and reality is no
False positive result ( FPR )
test says yes but reality is no
FNR
test says no but reality says yes
in terms of medical testing, is it better to have high sensitivity or specificity
sensitivity
what are we testing in a hypothesis test
a claim about the parameter
what are we looking for evidence against in a hypothesis test
against the null hypothesis
what form is the evidence against the null hypothesis in
the p-value
what does it mean if the p-value is larger than the significance
fail to reject the null; results are not statically significant
what does it mean if the p-value is smaller than the significance
reject null, accept alternative; results are statically significant
statistical significance
based on math procedures and make conclusions
practical significance
your opinion
correlation
looking for linear relationship and numerical values
causation
when one variable causes another
what is the link between a lurking variable and confounding
lurking variables cause confounding
