Examlex
_________ is a form of spyware that collects information about a user (without the user's consent) to determine which advertisements to display in the user's Web browser.
Internal Validity
The degree to which a study establishes a trustworthy cause-and-effect relationship between a treatment and an outcome.
Variable Changes
Alterations in the value or status of variables within an experiment or study.
Correlation Coefficient
A numerical measure that describes the direction and degree of relationship between two variables, ranging from -1 to 1, where 0 indicates no linear relationship.
Numerical Index
A quantitative measure or indicator that represents statistical data points or trends.
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