When to use ‘effective’ and ‘affective’

I find the words ‘effective’ and ‘affective’ confusing. When should each of these be used?

Post Script: I have checked the dictionaries that I use (of course, not the ones that run in several volumes). None of them defines the word “affective”, but each of them defines the word “effective”. Believe me, the word “affective” is not a general reference. Can you please define the word “affective” and cite a few example sentences?

Answer

“Affective” is a psychological term meaning “having to do with emotions”. Psychologists will say things like, “The patient exhibited affective behavior.” This is a rather rare word, and unless you’re talking about psychology, it’s probably not what you mean.

“Effective” is a common word meaning “having the intended result” or “in operation”. In the first sense you might say, “This medicine is very effective at relieving headache pain”, or “Increasing the manifold size proved to be an effective way to improve horsepower.” In the second sense you might say, “The new law will be effective June 1”.

Attribution
Source : Link , Question Author : Kirti , Answer Author : Jay

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