Examlex
It is believed by his teachers that Roger should be placed in a special education program. Which of the following is not included as part of the process designed to help Roger receive the services he requires?
Placebo
A substance with no therapeutic effect, used as a control in testing new drugs.
Control Group
In experimental research, this is the group of participants not exposed to the experimental treatment, serving as a baseline to compare with the experimental or treatment group.
Double-blind Study
A research experiment in which neither the participants nor the experimenters know who is receiving a particular treatment, eliminating bias in the results.
Dependent Variable
In an experiment, it is the variable being tested and measured, and is thought to be influenced by the independent variable.
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