Examlex
A(n) ________ buys and sells securities from their own inventory.
Double-blind
A study or clinical trial design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.
Dependent Variable
A variable that an experimenter predicts will be affected by manipulations of the independent variable.
Experimenter's Manipulations
The deliberate changes or variations introduced by researchers in an experiment to investigate their effects on the outcome.
Extraneous Variable
Any variable that is not intentionally studied in the experiment which can affect the outcome of the research if not controlled.
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