Examlex
____ is the main markup language used to create Web pages.
Variables Manipulation
The process of altering or changing variables within an experiment to observe their effects on other variables.
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.
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