2ND 10 Flashcards
(10 cards)
refers to a group of people who have been included in a study by an event that is based on the definition decided by the researcheR
COHORT
For example, a cohort of people born in Iligan City in the year 1980.
is a type of epidemiological study in which a group of people with a common characteristic is followed over time to find how many reach a certain health outcome of interest (disease, condition, event, death, or a change in health status or behavior).
cohort study
is one in which a cohort of people is followed over a certain period to determine the frequency with which a disease develops
A BLANK study looks forward in time.
Prospective Studies
BLANK IS commonly referred to as BLANK
gather past data from selected cases and controls to determine differences (if any) in the exposure to suspected factor
Retrospective Studies
case – control studies
a blank selects all cases, usually of a disease, that meet fixed criteria
A group, called blank, that serve as a comparison for the cases is also selected
case–control study
CONTROLs
types of probability sampling are
Simple random
stratified
systematic
cluster
Non-probability sampling are
Judgement
snoball
quota
convenience
basic sampling method which is a self-weighting sampling design because all the elements in a population
have an equal probability or chance of being included in the sample.
Simple Random Sampling (SRS)
sampling starts by selecting an element from the list at random and then every kth element in the frame is selected
Systematic Random Sampling
used when we wish the sample to represent the various strata (subgroups) of the population proportionately or to increase the precision of the estimate
the population is first divided into mutually exclusive sub-populations known as BLANK
Stratified Sampling
STRATA