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  4. Affect vs. Effect
Vocabulary & Precision

Affect vs. Effect

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Let’s make the difference between affect and effect easy to understand!

Affect

Affect is usually a verb. It means to influence or to make a change.

  • Too much screen time can affect your sleep.
  • The weather affected our travel plans.
  • Does music affect your concentration?

If something is doing the action or causing a change, use affect.

Effect

Effect is usually a noun. It means the result or outcome of something.

  • Lack of sleep has a negative effect on your mood.
  • The new law had a big effect on small businesses.
  • What was the effect of the announcement?

If you're talking about the result of a change, use effect.

This pair is tricky because they sound similar — just remember: verbs act, nouns name things.

💡 Tip

Affect is an action → Both start with “A”.

Effect is an end result.

Test your knowledge 📝

Question 1 sur 8Score: 0/8

The ___ of the new rule was noticeable immediately.

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