Examlex
Labor markets where power exists on both the demand side and the supply side are rare.
Spurious Relationships
Apparent associations between two variables that are not causally related but may be due to a third, unaccounted-for variable.
Internal Validity
Relates to experimental design. A study has internal validity when a cause-and-effect relationship between variables is clearly demonstrable and observed changes can be attributed to a defined causal variable and not to any other possible variables.
Attrition
The loss of participants from a study.
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