Stats/Ethics/Cases Flashcards
prob of finding difference between 2 samples
power
probability of rejecting the null when the null should be rejected
power
past data
retrospective
as data occurs
prospective
compares two groups to see if differences due to experimental influence or chance
ANOVA/analysis of variance
predicts the value of one variable in relation to another
regression analysis
measurement of direction and strength of relationship between 2 variables
correlation coefficient
ratio of incidence of ppl with risk factors to those without risk factors
relative risk
absolute incidence of illness in people exposed that can be attributed to exposure
attributable risk
binary data, does it produce reliable and reproducible results- used to measure inter-rater reliability
Kappa
null rejected when it shouldnt be
type 1 error
null retained when it shouldnt be
type 2 error
face validity
general consensus among clinicians and researchers
descriptive validity
based on features that distinguishes it from other disorders
predictive validity
dx allows to accurately predict tx response and clinical course