Flashcards in Behavioral Sciences Deck (43)
What is the odds ratio?
Odds that the group with a disease was exposed to a risk factor, divided by the odds that the group without the disease was exposed a/c / b/d
What is the equation for relative risk?
risk of developing disease in the exposed group divided by the risk in the unexposed group.
systemic errors cause a reduction in accuracy, or in precision?
What is the nonrandom assignment to participate in a study group?
What is the Berkson bias?
A study looking at only inpatients
What is the "loss to f/u" bias?
Studying a disease with early mortality
What is the recall bias?
Awareness of disorder altes recall of a subject
What is the measurement bias?
Where information is gathered in a way that distorts it
What is the procedure bias?
Where subjects in the same group are not treated equally
What is the observer-expectancy bias?
Researcher's belief in the efficacy of a treatment changes the outcome
What is the confounding bias?
When a factor is related to both the exposure and outcome, but not on the causal pathway
What is the lead time bias?
Early detection is confused with increase survival rates
One std deviation in a bell curve represents what percent?
What is a positive skew of the bell curve?
Asymmetry with long tail on the right
What is a type I (alpha) error?
Seeing a relationship that does not exist
What is a type II (beta) error?
Not recognizing a relationship when one does exist
What is the t test used for?
checks difference between means of two groups
What is an ANOVA test used for?
Checks difference between means of 3 or more groups
What is a chi-squared analysis used for?
Checks difference between 2 or more percentages of populations of categorical outcomes
What is primary disease prevention?
What is secondary disease prevention?
What is tertiary disease prevention?
What are the four principles of medical ethics?
What are the three general areas that minors do not need consent to treat for?
(sex, drugs, rock and roll)
True or false: for a pt to have medical decision making capacity, they must be >18 yo.
What are the components of the APGAR scoring?
What is the cutoff for low birth weight?
When can a child smile in response to social factors?
When does a child begin to develop stranger anxiety?