Power analysis suggested
Research methodology and reporting expression
بهطور تحتاللفظی: The calculation of statistical strength indicated
در ۱۵ ثانیه
- A formal way to justify your sample size using statistics.
- Shows you did the math before starting your research.
- Essential for academic papers and professional data reports.
- Signals high-level competence and methodological rigor.
معنی
This phrase describes a mathematical check done before a study to figure out how many people or samples you need to get a reliable result. It’s like checking your bank account before a road trip to make sure you have enough gas money to reach your destination.
مثالهای کلیدی
3 از 6Writing a university thesis
Power analysis suggested that 120 participants were needed to achieve a 0.80 power level.
Research methodology and reporting expression
A marketing team meeting
Since the power analysis suggested a larger group, we should extend the survey for another week.
Research methodology and reporting expression
Explaining a failed experiment to a supervisor
Although the power analysis suggested our sample was sufficient, we still found no significant effect.
Research methodology and reporting expression
زمینه فرهنگی
There is a high 'p-value culture' where phrases like this are used to prove that a study is 'serious'. It is almost a requirement for publication in top journals. In data science and A/B testing, this phrase is used to avoid 'peaking' at data too early. It represents a culture of data-driven decision making. In clinical trials, this phrase is part of the ethical justification. It is considered unethical to test on humans if the study is too small to find an answer. Reflects the German value of 'Gründlichkeit' (thoroughness). Doing the math before the work is highly valued.
Use it in the 'Methods' section
If you are writing a paper, this phrase should appear in the first or second paragraph of your Methodology.
Don't use it for people
Never say 'A power analysis suggested my boss is mean.' It only applies to data and statistics.
در ۱۵ ثانیه
- A formal way to justify your sample size using statistics.
- Shows you did the math before starting your research.
- Essential for academic papers and professional data reports.
- Signals high-level competence and methodological rigor.
What It Means
Imagine you are a detective looking for a tiny needle in a giant haystack. Power analysis suggested is the scientist's way of saying, 'I did the math to figure out how big the haystack can be before I lose the needle.' In the world of research, 'power' is the ability to find an effect if it actually exists. If your study is too small, you might miss something important. This phrase tells your reader that you didn't just guess how many participants to recruit. You used logic and math to ensure your study was strong enough to be taken seriously.
How To Use It
You usually place this at the start of a sentence in a research report or a proposal. It is almost always followed by a specific number or a result. For example, you might say, Power analysis suggested a sample size of 50 was required. It functions as a justification. It's your 'receipt' for your methodology. You are proving to your boss, your professor, or a journal editor that you are being responsible with your data. It’s the academic version of saying, 'I checked the weather report before I planned the picnic.'
When To Use It
Use this when you are writing a formal paper, a thesis, or a business analytics report. It belongs in the 'Methods' section. You can also use it in a high-level meeting if someone asks, 'Why did we interview exactly 200 customers?' It sounds very professional and authoritative. It shows you aren't just winging it. If you want to impress a data-driven audience, this is your golden ticket. It transforms a random choice into a calculated decision.
When NOT To Use It
Do not use this at a casual dinner party unless your friends are all statisticians. If someone asks why you bought three pizzas, don't say, Power analysis suggested three pizzas would satisfy the group. You will sound like a robot! Avoid it in creative writing or emotional heart-to-hearts. It is strictly for the world of logic, science, and data. Also, don't use it if you didn't actually do the math. Data experts will ask to see your parameters, and 'I just liked the number' isn't a valid answer.
Cultural Background
This phrase rose to prominence in the late 20th century as science became more rigorous. In the past, researchers just guessed how much data they needed. Now, the 'Replication Crisis' has made everyone nervous. Using power analysis suggested shows you are part of the 'New School' of careful, ethical research. It’s a badge of honor in Western academia. It signals that you value accuracy over just getting a quick result. It’s very common in psychology, medicine, and A/B testing in Silicon Valley.
Common Variations
A preliminary power analysis indicated...(Use this for early stages)Post-hoc power analysis suggested...(Use this if you did the math after the study, though it's controversial!)Power calculations suggested...(A slightly more casual way to say the same thing)Based on a power analysis, we determined...(A more active, direct phrasing)
نکات کاربردی
This is a high-register academic expression. Use it in written reports or formal defenses; avoid it in casual conversation unless you are being intentionally nerdy or humorous.
Use it in the 'Methods' section
If you are writing a paper, this phrase should appear in the first or second paragraph of your Methodology.
Don't use it for people
Never say 'A power analysis suggested my boss is mean.' It only applies to data and statistics.
The 'Hedge'
Using 'suggested' instead of 'showed' makes you sound like a more careful and professional scientist.
مثالها
6Power analysis suggested that 120 participants were needed to achieve a 0.80 power level.
Research methodology and reporting expression
This is the classic academic use in a Methods section.
Since the power analysis suggested a larger group, we should extend the survey for another week.
Research methodology and reporting expression
Used here to justify a business decision and budget extension.
Although the power analysis suggested our sample was sufficient, we still found no significant effect.
Research methodology and reporting expression
Used to show that the failure wasn't due to poor planning.
Ugh, my power analysis suggested I need 500 people. I'll be recruiting forever!
Research methodology and reporting expression
A more relaxed way to discuss a daunting workload.
I've been on 20 dates because my personal power analysis suggested that's the minimum to find 'the one'.
Research methodology and reporting expression
Applying cold math to a romantic situation for comedic effect.
The reviewer claimed our study was too small, even though our power analysis suggested otherwise.
Research methodology and reporting expression
Defending one's work against criticism.
خودت رو بسنج
Complete the sentence using the correct form of the phrase.
Before we began the clinical trial, a ______ ______ ______ that we needed at least 300 participants.
This is the standard way to report a pre-study sample size calculation.
Which sentence uses the phrase in the correct context?
Select the best option:
The phrase is a specific statistical term, not a general term for strength or battery life.
Fill in the researcher's response.
Reviewer: 'Your results are interesting, but your group of 10 people seems very small.' Researcher: 'Actually, ______ ______ ______ that 10 was enough because the effect size was very large.'
The researcher is using the phrase to justify their methodology.
Match the term to its meaning in the phrase.
Match the following:
Each word has a specific meaning within this technical expression.
🎉 امتیاز: /4
ابزارهای بصری یادگیری
بانک تمرین
4 تمرینهاBefore we began the clinical trial, a ______ ______ ______ that we needed at least 300 participants.
This is the standard way to report a pre-study sample size calculation.
Select the best option:
The phrase is a specific statistical term, not a general term for strength or battery life.
Reviewer: 'Your results are interesting, but your group of 10 people seems very small.' Researcher: 'Actually, ______ ______ ______ that 10 was enough because the effect size was very large.'
The researcher is using the phrase to justify their methodology.
هر مورد سمت چپ را با جفتش در سمت راست مطابقت دهید:
Each word has a specific meaning within this technical expression.
🎉 امتیاز: /4
سوالات متداول
10 سوالUsually, yes. You perform 'a' power analysis for a specific study. If you did multiple types, you could say 'Power analyses suggested...'
Yes, 'A power analysis indicated that...' is a perfect synonym and equally formal.
Then your study is likely impossible! You would say 'The power analysis suggested that the required sample size was prohibitive.'
Only in data-heavy roles like Marketing Analytics or User Research. In a general meeting, it might be too technical.
No. In statistics, 'power' is the probability of finding a result. It has nothing to do with electricity or physical strength.
You can, but 'power analysis suggested' sounds more precise and academic. It shows *how* you calculated it.
It is 'a' power analysis because 'power' starts with a consonant sound.
Yes: 'A power analysis had suggested...' if you are talking about a plan that changed later.
Yes, it is standard in academic English worldwide, including the UK, US, Canada, and Australia.
There isn't a direct opposite, but you might say 'The sample size was determined arbitrarily' (meaning you just guessed).
عبارات مرتبط
Sample size calculation
synonymThe process of determining the number of subjects.
Statistically significant
builds onA result that is unlikely to have occurred by chance.
Type II error
specialized formFailing to detect a real effect.
Effect size
similarThe magnitude of the difference between groups.
