Frequency در برابر Incidence در برابر Prevalence در برابر Rate

زمان استفاده از هر کدام در انگلیسی، همراه با معنا، سطح زبانی و مثال‌ها.

Frequency

2000 برتر (رایج) B2 noun

Incidence

3000 برتر (رایج) C1 noun

Prevalence

رسمی بیش از 10000 (کمتر رایج) C1 noun

Rate

1000 برتر (بسیار رایج) A2 noun

رسمی‌ترین: Prevalence رایج‌ترین: Rate

	Frequency	Incidence	Prevalence	Rate
تلفظ	🇬🇧 /["/ˈfriːkwənsi/"]/ 🇺🇸 /["/ˈfriːkwənsi/"]/	🇬🇧 /["/ˈɪnsɪdəns/"]/ 🇺🇸 /["/ˈɪnsɪdəns/"]/	🇬🇧 /["/ˈprevələns/"]/ 🇺🇸 /["/ˈprevələns/"]/	🇬🇧 /["/reɪt/"]/ 🇺🇸 /["/reɪt/"]/
معنا	How often something happens.	The occurrence of something, especially something bad.	How common something is.	اینکه یه چیزی چقدر ارزش داره یا چطور اندازه‌گیری میشه. How much something is valued or measured.
مثال	The frequency of the class meetings has increased this semester.	an area with a **high incidence** of crime	an increase in the prevalence of obesity in many countries	The teacher gave each student a rate based on their performance in class.
سطح زبانی	خنثی	خنثی	رسمی	خنثی
میزان رواج	2000 برتر (رایج)	3000 برتر (رایج)	بیش از 10000 (کمتر رایج)	1000 برتر (بسیار رایج)
سطح CEFR	B2	C1	C1	A2
نقش دستوری	noun	noun	noun	noun
هم‌آیی‌ها	great, increased, increasing, decrease in, increase in, decrease, with frequency, great, increased, increasing, decrease in, increase in, decrease, with frequency, high, low, microwave, range, spectrum, band, high, low, microwave, range, spectrum, band	great, high, peak, have, show, increase, increase, decrease, fall, rate, incidence among, incidence in, a decrease in the incidence of something, an increase in the incidence of something, a variation in the incidence of something	high prevalence, low prevalence, prevalence rate, increased prevalence, prevalence of disease	constant, expected, regular, accelerate, improve, increase, be up, go up, shoot up, at a/​the rate, rate of, rate per, constant, expected, regular, accelerate, improve, increase, be up, go up, shoot up, at a/​the rate, rate of, rate per, cheap, competitive, low, determine, fix, peg, climb, go up, increase, at a/​the rate, rate for, rate of, a drop in rates, a rise in rates, a rate of return, cheap, competitive, low, determine, fix, peg, climb, go up, increase, at a/​the rate, rate for, rate of, a drop in rates, a rise in rates, a rate of return
متضادها	infrequency, rarity	nonoccurrence, absence	rarity, uncommonness	disrate, devalue
اشتباه‌های رایج	Confusing 'frequency' with 'frequence'., Using 'frequencies' incorrectly in singular contexts., Misplacing the term in sentences regarding time intervals.	Confused with 'incident', which refers to a specific event., Used inappropriately in informal contexts., Incorrect pluralization, saying 'incidences' instead of 'incidents' when referring to events.	Confused with 'prevalent' which is an adjective., Omitting the context when discussing the prevalence (e.g., 'the prevalence of diseases')., Using it in informal speech where simpler terms like 'common' might be better.	Confused with 'rate' vs 'rate of' - 'rate of' implies a measurement over time., Using 'rated' when 'rate' is required - 'I rate this movie' not 'I rated this movie for now.', Mixing up with 'ratio' - 'rate' refers to the value assessment.
نکته‌های کاربرد	Use 'frequency' when discussing how often events occur. Suitable for academic or technical contexts; avoid in very casual conversations.	Commonly used in scientific, medical, and statistical contexts. Avoid casual conversations, as it may sound overly technical. Appropriate when discussing rates or frequencies of events.	Use 'prevalence' in formal contexts like academic writing or reports. Avoid in casual conversation. It implies a statistical or measured occurrence.	هم تو موقعیت‌های رسمی و هم غیررسمی استفاده میشه. برای صحبت کردن درباره ارزیابی‌ها، امتیازها و مقایسه‌ها مناسبه. سعی کن تو موقعیت‌هایی که نیاز به ظرافت احساسی بیشتری داره ازش استفاده نکنی. Used in both formal and informal contexts. Appropriate for discussing evaluations, scores, and comparisons. Avoid using it in contexts that require more emotional nuance.

پرسش‌های پرتکرار: Frequency در برابر Incidence در برابر Prevalence در برابر Rate

تفاوت Frequency،‏ Incidence،‏ Prevalence، و Rate چیست؟

Frequency: How often something happens. Incidence: The occurrence of something, especially something bad. Prevalence: How common something is. Rate: How much something is valued or measured.

کدام رسمی‌تر است: Frequency،‏ Incidence،‏ Prevalence، و Rate؟

Prevalence رسمی‌ترین آن‌هاست.

کدام رایج‌تر است: Frequency،‏ Incidence،‏ Prevalence، و Rate؟

Rate در انگلیسی روزمره رایج‌ترین است.

آیا Frequency،‏ Incidence،‏ Prevalence، و Rate هم‌سطح CEFR هستند؟

Frequency: B2, Incidence: C1, Prevalence: C1, Rate: A2 بر اساس مقیاس CEFR.

نقش دستوری Frequency،‏ Incidence،‏ Prevalence، و Rate چیست؟

Frequency: noun, Incidence: noun, Prevalence: noun, Rate: noun.

می‌توانی برای هر کدام یک مثال نشان دهی؟

Frequency: The frequency of the class meetings has increased this semester. Incidence: an area with a **high incidence** of crime Prevalence: an increase in the prevalence of obesity in many countries Rate: The teacher gave each student a rate based on their performance in class.

آیا می‌توانم Frequency،‏ Incidence،‏ Prevalence، و Rate را به‌جای هم به کار ببرم؟

همیشه نه. Frequency،‏ Incidence،‏ Prevalence، و Rate به هم نزدیک‌اند و گاهی هم‌پوشانی دارند، اما در سطح زبانی، میزان رواج و کاربرد فرق دارند، پس جابه‌جا کردنشان می‌تواند معنا یا لحن را عوض کند. پیش از جایگزینی، تفاوت‌های بالا را ببین.