Two-Group Randomized Experiment

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A Two-Group Randomized Experiment is a randomized comparative experiment with two experiment groups (typically a treatment group and a control group.



References

2012

  • http://www.socialresearchmethods.net/kb/expsimp.php
    • The simplest of all experimental designs is the two-group posttest-only randomized experiment. In design notation, it has two lines -- one for each group -- with an R at the beginning of each line to indicate that the groups were randomly assigned. One group gets the treatment or program (the X) and the other group is the comparison group and doesn't get the program (note that this you could alternatively have the comparison group receive the standard or typical treatment, in which case this study would be a relative comparison).