Grammar Rules · Affect vs. effect
Affect vs. effect.
"Affect" is usually the verb, meaning one thing changes another: "the delay affects the launch". "Effect" is usually the noun, the result: "the delay had an effect on the launch". After "an", "the", or "no", you almost always want "effect".
Wrong → right
| Common mistake | Corrected |
|---|---|
| The new policy will effect our team. | The new policy will affect our team. |
| The medicine had no affect on me. | The medicine had no effect on me. |
| Bad sleep effects my focus at work. | Bad sleep affects my focus at work. |
| What was the affect of the price change? | What was the effect of the price change? |
| The outage didn't effect our customers. | The outage didn't affect our customers. |
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