Examlex
In about 75% of all cases, the cause of intellectual disability is unknown.
Dependent Variable
A variable in an experiment that is affected by changes in another variable, known as the independent variable.
Confounded
A term used in experimental research to describe a situation where the effect of one variable cannot be separated from the effect of another, complicating the interpretation of results.
Descriptive Research
A type of research that aims to accurately describe characteristics or phenomena, without focusing on causation or relationships.
Correlational Research
A type of research method that involves observing two variables to determine whether there is a relationship between them.
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