What value is returned by the following return statement? 
Definitions:
Experimental Manipulation
The controlled alteration of an independent variable in an experiment to assess its effects on a dependent variable.
Demand Characteristics
Demand Characteristics refer to subtle cues or signals in an experimental setting that influence the participants' behavior or responses, potentially skewing the study's results.
Correlation
A quantitative measure demonstrating how closely two or more variables vary together.
Causation
The action of causing something, indicating a relationship between two events where one is the result of the other.
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