nonequivalent
Different in value
Nonequivalent describes things that are not equal in value, function, or meaning.
Two expressions may look similar but be nonequivalent: The two formulas are nonequivalent—one accounts for inflation, the other doesn't.
In research, nonequivalent groups lack the controlled matching of true experiments.
The term appears most often in technical, mathematical, or scientific contexts.
Without equal or rival
- incommensurableLacking common unit
- mismatchedNot fitting together properly
- unmatchedHaving no equal
- dissimilarNot similar
divergent · discrepant · incongruent · inconsistent · disparate · contrasting · differing · varying
Measurable difference between things
- discrepancyDifference between expected and actual
- inequalityUnequal distribution of resources
- asymmetryAbsence of balanced form
- imbalanceLack of proportion
mismatch · divergence · variance · gap · incongruity · dissimilarity · distinction · contrast
Standard for comparison
- pretestAssessment before instruction
- posttestEvaluation after intervention
- confoundingCausing surprise or confusion
- nonrandomizedWithout chance-based assignment
cohort · observational · methodology · validity · sampling
incomparable
Without equal or rival
- incommensurableLacking common unit
- mismatchedNot fitting together properly
- unmatchedHaving no equal
dissimilar · divergent · discrepant · incongruent · inconsistent · disparate · contrasting · differing · varying · distinct
disparity
Measurable difference between things
- discrepancyDifference between expected and actual
- inequalityUnequal distribution of resources
- asymmetryAbsence of balanced form
imbalance · mismatch · divergence · variance · gap · incongruity · dissimilarity · distinction · contrast · deviation
baseline
Standard for comparison
- pretestAssessment before instruction
- posttestEvaluation after intervention
- confoundingCausing surprise or confusion
nonrandomized · cohort · observational · methodology · validity · sampling
nonequivalentequivalent
Same in value or function
equal · interchangeable · identical · matching · same
equivalent, equivocal, equivalence, equivocate, unequivocal, equivocation, equivalently, equivalency, equivalences