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- Q1388421 subject Q6462146.
- Q1388421 subject Q6479193.
- Q1388421 subject Q7189847.
- Q1388421 subject Q8757510.
- Q1388421 abstract "A social experiment is a research project conducted with human subjects in the real world that typically investigates the effects of a policy intervention by randomly assigning individuals, families, businesses, classrooms, or other units to different treatments or to a control condition that represents the status quo. The qualifier "social" distinguishes a policy experiment from a "clinical" experiment, typically a medical intervention within the subject's body, and also from a laboratory experiment, such as a university psychology faculty might conduct under completely controlled conditions. In a social experiment, randomization to assigned treatment is the only element in the subject's environment that the researchers control; all other elements remain exactly what they were.Social experiments are often referred to as "the gold standard" for program evaluation and reform processes. In measuring the impact of a social program, the researcher has to assess what the outcomes of the relevant population would have been in the absence of the program. Almost every naturally occurring comparison group, however, will differ from the composition of a non-random treatment group, usually because of selection bias (outside of an experiment, people choose to receive the treatment or choose not to). Randomization creates a control group that is statistically identical in large sample with the group that is assigned to receive the treatment, and in principle there is no selection bias.Social experiments began in the United States as a test of the Negative Income Tax concept in the late 1960s and since then have been conducted on all the populated continents. Some "have pilot tested major innovations in social policy", some "have been used to assess incremental changes in existing programs", while some "have provided the basis for evaluating the overall efficacy of major existing programs. Most "have been used to evaluate policies targeted at disadvantaged population groups".".
- Q1388421 wikiPageWikiLink Q1059204.
- Q1388421 wikiPageWikiLink Q1484991.
- Q1388421 wikiPageWikiLink Q191474.
- Q1388421 wikiPageWikiLink Q2027036.
- Q1388421 wikiPageWikiLink Q235089.
- Q1388421 wikiPageWikiLink Q557613.
- Q1388421 wikiPageWikiLink Q6462146.
- Q1388421 wikiPageWikiLink Q6479193.
- Q1388421 wikiPageWikiLink Q6927170.
- Q1388421 wikiPageWikiLink Q7189847.
- Q1388421 wikiPageWikiLink Q7275773.
- Q1388421 wikiPageWikiLink Q778684.
- Q1388421 wikiPageWikiLink Q8757510.
- Q1388421 type Thing.
- Q1388421 comment "A social experiment is a research project conducted with human subjects in the real world that typically investigates the effects of a policy intervention by randomly assigning individuals, families, businesses, classrooms, or other units to different treatments or to a control condition that represents the status quo.".
- Q1388421 label "Social experiment".
- Q1388421 differentFrom Q161272.