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How might you classify the measurement scale for the variable labelled as cancer?
Confounding Variables
External variables that can affect the outcome of an experiment, making it difficult to establish a clear cause-and-effect relationship.
Random Assignment
The assignment of participants to categories of an independent variable such that each participant has an equal chance of being assigned to each category.
Systematic Observation
An observational method that involves structured, consistent procedures for recording and analyzing phenomena.
Quasi-experimental Research
A research design that attempts to establish a cause-and-effect relationship but does not rely on random assignment.
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