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The following data show the number of laps run by each participant in a marathon.
Which of these choices display the correct stemplot?
Standardize Procedures
Established protocols to ensure consistency and uniformity across experiments or assessments.
Manipulation Check
A measure used to determine whether the manipulation of the independent variable has had its intended effect on a subject.
Double-Blind Procedures
An experimental procedure wherein both the subjects of the experiment and the researchers do not know which subjects are receiving the active treatment versus a placebo, to prevent bias.
Demand Characteristics
Features of an experiment that inadvertently lead participants to guess its purpose, potentially affecting their behavior.
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