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Preposition before noun

Prepositions Used with “Outcome”

Outcome is most naturally used with of. Phrases with on or in usually belong to broader sentence structures rather than fixed noun combinations.

Quick answer

Which prepositions go with “outcome”?

Use outcome of to identify the result of something. On outcome and in outcome are not standard fixed combinations, although in can appear in longer phrases such as differences in outcomes.

The outcome of the election surprised analysts.
We discussed the outcome of the negotiations yesterday.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
outcome of + event/process

Naming the result of something

Use of to show what produced the result.

The outcome of the trial will be announced tomorrow.
2
difference in outcomes

Comparing results

In can introduce outcomes as part of a larger noun phrase.

Researchers found a difference in outcomes between the groups.
3
impact on outcomes

Describing influence on results

On usually belongs with another noun such as impact or effect, not directly with outcome.

The policy had an impact on outcomes in rural schools.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
outcome of
The outcome of the meeting was positive.
result produced by an event or process
on outcome
Training can have an effect on outcome.
on is linked to effect, impact, or influence, not directly to outcome
in outcome
There was little change in outcome.
in introduces a category or area within a larger phrase

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using “on outcome” as a fixed complement

Outcome normally takes of, not on.

✕ the outcome on the project ✓ the outcome of the project

Using “in outcome” to mean result of

Use outcome of for direct result meaning.

✕ the in outcome of the test ✓ the outcome of the test

Dropping the article in common phrases

Outcome usually needs the or another determiner in specific contexts.

✕ Outcome of election shocked voters ✓ The outcome of the election shocked voters

Quick practice

Choose the expression that matches the intended meaning.

1. The outcome ___ the experiment was unexpected.
2. The new policy had an effect ___ outcomes.
3. Researchers noticed changes ___ outcomes over time.

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Frequently asked questions

Is “outcome of” correct?

Yes. It is the standard way to refer to the result of something.

Can I say “on outcome”?

Usually not as a fixed phrase. English normally uses phrases like “effect on outcomes” or “impact on outcomes.”

When is “in outcome” used?

It appears in broader expressions such as “differences in outcomes” or “changes in outcome.”

of, about, against, to or for racism? of, about, for, in or on friendship? of, about, for, on or to thing? of, about, for, to or with sex? of, about, on, to or for moon? "of access" or "with access"? "of accommodation" or "for accommodation"? "of accuracy" or "for accuracy"? "of action" or "in action"? "of actor", "with actor" or "by actor"? "of address" or "to address"? "of administration" or "in administration"?

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