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Research & Methods Final

Terms in this set (113)

research question
- does it end with a ?
- can it be measured?
research goal
- one very clear question or purpose to the research
ex. to assess the perceived health-related needs of a community
alternative hypothesis
The hypothesis stating what the researcher is seeking evidence of
ex. training programs in rural areas have an impact on MMR
null hypothesis
the hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error
ex. training programs in rural areas do not have a significant effect on MMR
FINER
Feasible
Interesting
Novel
Ethical
Relevant
exposure
does listening to music while running
outcome
increased running pace
population
college cross country runners
Primary study
an original study whose findings are used as the data in the review.
Secondary Study
analyzes existing data
Tertiary Study
reviewing existing literature
Ecological Study
a study in which the units of analysis are populations or groups of people rather than individuals
pros/cons of ecological study
pro: useful when individual level data is not available; inexpensive and able to look for trends; hypothesis generating

cons: mot reflective of individuals; the data is not exact and can be a poor proxy for a real situation'; data is not always available
cross-sectional study
a study in which a representative cross section of the population is tested or surveyed at one specific time
pros/cons of cross-sectional studies
pros: understanding a population's characteristics; no follow-up periods, monitor trends

cons: can't determine temporality of relationships; challenging to select a representative population; prone to bias
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