The temperature affects the growth rate ofthe bacterial sample.Īffect as a noun has a specialized meaning in medicine andpsychology, referring to moods and feeling as distinct fromthoughts or knowledge.ĭua (1989) constructed the Thoughts and Real-LifeExperience Scale (THARL) to assess the degree of positive andnegative affect experienced by people as a resultof their thoughts and day-to-day interactions. Avoidincorrectly using impact as a verb in place of affect or as a noun in place of effect. I hope this helps.Usage Glossary: A B C D E F G H I K L M N O P Q R S T U V W Y affect/effect/impactDo not confuse the words affect, effect, and impact, each of which can be used both as a verb and as a noun. They affected Italian accents for their parents when they came home from their trip.She affected concern for her neighbors.He always affects a look of surprise when the children draw him pictures.Sometimes, especially in formal contexts, affect is used to mean "to pretend that a false behavior or feeling is natural or genuine." The following example sentences show this use:
The people urged the government to effect reform. The directors hoped to effect a smooth transition by working together during the merger. The manager had the power to effect change within the company. The following example sentences show this use: Sometimes, especially in formal writing, effect is used as a verb to mean "to cause something to happen". = Staying up late does not affect my ability to wake up early. Staying up late has no effect on my ability to wake up early. = The medicine affects your ability to stay awake. One side effect of the new medicine is sleepiness. = The teacher affects the children in a positive way. The new teacher has a positive effect on the children. = Your diet has an effect on your weight. Pollution in the air affects our health. = The weather had an effect on our travel plans. The weather affected our travel plans. The following example sentences show these uses: Affect is a verb almost always used to mean "to act on (someone or something) and cause a change." Effect is almost always used as a noun to mean "a change that results when something is done or happens." In other words, when you affect something, you cause an effect.
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