Wednesday
July 30, 2014

Homework Help: science

Posted by suhad on Tuesday, March 5, 2013 at 2:19pm.

For each of the following, choose the option that applies to case-control studies:

a. The investigator's role regarding exposure:
A assign B observe

b. Subject selection into groups:
A self-selection B randomization

d. Directionality:
A backwards B forwards C non-directional

e. Timing:
A prospective B retrospective C either

e. Analysis by:
A original assignment B actual experience

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