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(in research) a study design used to test cause-and-effect relationships between variables. The classic experimental design specifies an experimental group and a control group. The independent variable is administered to the experimental group and not to the control group, and both groups are measured on the same dependent variable. Subsequent experimental designs have used more groups and more measurements over longer periods. True experiments must have control, randomization, and manipulation.
Source :http://medical-dictionary.thefreedictionary.com/Experimental+design
| 11 years ago. Rating: 1 | |
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