SOAN 2120 Lecture Notes - Random Assignment, Internal Validity, External Validity
3 Mar 2013
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Document Summary
Next class we will be working with spss get it. Combines elements of both the post-test only and the pretest-posttest control group designs. X random assignment or even matched pairs assignment is not practical. New teaching technique (unlikely that classes split up for purposes of experimentation) Minimum wage program affects the likelihood that welfare recipients might find jobs. Aside from the absence of random assignment, these designs look" much like a regular experiment: The only difference is you don"t see the r"s beforehand. A group is exposed to an event (condition), and then a dependent variable observation is recorded. The people who live in new orleans. Implement program to see if it is effective in dealing with the aftermath of. No comparison group (we don"t know what they would have been like after katrina with no treatment we only know with the treatment after katrina)
