Power analysis suggested
Research methodology and reporting expression
직역: The calculation of statistical strength indicated
Use this phrase to prove your study size was chosen by logic, not by random guessing.
15초 만에
- 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.
뜻
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.
주요 예문
3 / 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
문화적 배경
The phrase became a standard requirement in scientific publishing during the 1990s and 2000s to combat 'underpowered' studies that produced false results. It reflects a cultural shift toward transparency and mathematical accountability in professional fields ranging from medicine to tech marketing.
The 'Magic Number' Secret
In many social sciences, a power analysis often 'suggests' a sample of around 30 per group. If you see this number, they likely used a standard 'medium effect size' setting!
Don't over-explain
In a paper, you don't need to explain what a power analysis is. Just state what it suggested. Your readers are expected to know the math.
15초 만에
- 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)
사용 참고사항
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.
The 'Magic Number' Secret
In many social sciences, a power analysis often 'suggests' a sample of around 30 per group. If you see this number, they likely used a standard 'medium effect size' setting!
Don't over-explain
In a paper, you don't need to explain what a power analysis is. Just state what it suggested. Your readers are expected to know the math.
The 'P-Hacking' Taboo
Using this phrase shows you are avoiding 'p-hacking' (manipulating data). It’s a way of saying 'I am an honest researcher.'
예시
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.
셀프 테스트
Complete the sentence for a formal research proposal.
To ensure the validity of our findings, a ___ that a minimum of 45 subjects was required.
In a formal proposal, you must use the technical term for calculating sample size.
Choose the best verb to follow the phrase.
Power analysis suggested ___ the group size to avoid errors.
The phrase is often followed by a gerund or a 'that' clause.
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시각 학습 자료
Formality of 'Power Analysis Suggested'
Friends talking about pizza.
I think we need more.
A workplace discussion.
The data says we need more people.
A scientific journal article.
Power analysis suggested a sample of 100.
Where to use 'Power Analysis Suggested'
Medical Trial
Determining patient count.
App Development
A/B testing new features.
Psychology Study
Surveying students.
Data Science
Validating a model.
자주 묻는 질문
10 질문It refers to 'statistical power,' which is the probability that a study will detect an effect if there is one to be found. It has nothing to do with physical strength or political influence.
Yes, if you are talking to a data-driven team. It sounds very impressive in a report about customer trends or marketing tests.
Not always, but 'suggested' or 'indicated' are the most common. You could also say Power analysis revealed or Power analysis showed.
Often, yes! People usually say something like, Power analysis using G*Power suggested... to be even more specific.
It’s perfect for a professional presentation. It shows you have done your homework and your results are reliable.
This is a common struggle! Researchers often write, While power analysis suggested 500, due to budget constraints, we recruited 200.
Yes, it is almost always used in the past tense (suggested) because the analysis happens before the report is written.
You can say A priori power analysis... if you want to be even more technical, but Power analysis suggested is the standard shorthand.
No, it just means the study was 'sized' correctly. You can still have a perfect power analysis and a failed experiment.
The biggest mistake is using it without actually doing the calculation. If an expert asks for your 'alpha' or 'effect size,' you need to have the answers ready!
관련 표현
Statistically significant
A result that is unlikely to have occurred by chance.
Sample size
The number of observations or individuals included in a study.
Margin of error
The amount of random sampling error in a survey's results.
Confidence interval
A range of values that is likely to contain the true value.
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