Examlex
The most recent fully approved version of standard SQL prescribed by the ANSI is ____.
Internally Valid
The extent to which a research study provides evidence of a cause-and-effect relationship between variables, within the context of the study.
Confounds
Variables that researcher failed to control, or eliminate, damaging the internal validity of an experiment by providing alternative explanations for outcomes.
Experimental Manipulation
The deliberate alteration of the independent variable in an experiment in order to learn about its effects on the dependent variable.
Control Groups
In experimental research, a group of subjects that does not receive the treatment being tested and is used as a benchmark to measure how the other tested subjects respond.
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