Blinding
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-From who info will be withheld→ prevents bias
Differentiate between experimental and quasi-experimental designs
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experimental=random, controlled, intervention
quasi=intevention but lack either randomization or control (1 of those 2)
Nursing! Hard to get randomized when working w pt.
prospective studies
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individuals are followed over time and data about them is collected as their
characteristics or circumstances change.
Birth cohorts follow them throughout and see what happens
cross-sectional study
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data are observed, measured, and collected at one point in time
Randomization
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a process of randomly assigning subjects to different treatment groups. The
researcher puts ppl in groups (control or IX) @ random
Give this one a try later!
-From who info will be withheld→ prevents bias
Differentiate between experimental and quasi-experimental designs
, Give this one a try later!
experimental=random, controlled, intervention
quasi=intevention but lack either randomization or control (1 of those 2)
Nursing! Hard to get randomized when working w pt.
prospective studies
Give this one a try later!
individuals are followed over time and data about them is collected as their
characteristics or circumstances change.
Birth cohorts follow them throughout and see what happens
cross-sectional study
Give this one a try later!
data are observed, measured, and collected at one point in time
Randomization
Give this one a try later!
a process of randomly assigning subjects to different treatment groups. The
researcher puts ppl in groups (control or IX) @ random
