Question: How Many Survey Responses Is Enough?

How many surveys should I send out?

To know how many people you should send your survey to, you want to take your sample size (how many responses you need back) divided by the response rate.

For example, if you have a sample of 1,000 and an estimated response rate of 10%, you would divide 1000 by .


Your survey group should be around 10,000..

What is the minimum acceptable response rate for a mailed survey?

What is the minimum acceptable response rate a mailed survey? Six-Eight weeks after an initial survey mailing, a survey researcher should do what to attempt to get respondents to complete their survey? Usually an attempt to administer the questionnaire over the phone.

What type of survey has the highest response rate?

Average response rate infographicThe most effective survey method is still the in-person survey with 57%. … The mail survey comes second with 50%. … Third on the list is the email survey, with an average response rate of 30%.More items…•

How many questionnaires is a good sample?

400 questionnairesFor most audience research projects, we recommend collecting 400 questionnaires. We are not alone in this general rule of thumb—400 is considered by some researchers (and market researchers in particular) to be the “magic number” in the world of sample sizes.

Is 30 a good sample size?

There is no certain rule of thumb to determine the sample size. Some researchers do, however, support a rule of thumb when using the sample size. … If we are using three independent variables, then a clear rule would be to have a minimum sample size of 30.

How many survey questions is too many?

Keep Your Survey Short This usually amounts to 10 questions or less. Most of your customers will abandon surveys with too many questions – think more than 10. This is especially true if your questions are long and detailed. If they’re short and focused, you can often get away with a few more.

What is the minimum sample size for a quantitative study?

If the research has a relational survey design, the sample size should not be less than 30. Causal-comparative and experimental studies require more than 50 samples. In survey research, 100 samples should be identified for each major sub-group in the population and between 20 to 50 samples for each minor sub-group.

How many respondents should a survey have?

There are two schools of thought about sample size – one is that as long as a survey is representative, a relatively small sample size is adequate. Perhaps 300-500 respondents can work. The other point of view is that while maintaining a representative sample is essential, the more respondents you have the better.

What is a statistically valid sample size?

Statistically Valid Sample Size Criteria Probability or percentage: The percentage of people you expect to respond to your survey or campaign. Confidence: How confident you need to be that your data is accurate. Expressed as a percentage, the typical value is 95% or 0.95.

What is the acceptable response rate for questionnaires?

Response rates approximating 60% for most research should be the goal of researchers and certainly are the expectation of the Editor and Associate Editors of the Journal. For survey research intended to represent all schools and colleges of pharmacy, a response rate of ≥ 80% is expected.

How many survey responses do I need?

You’ll notice that if you allow for greater inaccuracy–or margin of error–the recommended sample size gets smaller. If you can live with a 10% margin of error, you only need 80 out of 500 people to respond, as opposed to 220 for a 5% margin or 345 for a 3% margin.

What is the average percentage of survey responses?

Customer satisfaction surveys and market research surveys often have response rates in the 10% – 30% range. Employee surveys typically have a response rate of 25% – 60%. Regardless of the type of survey you are conducting, you can have a major effect on the number of respondents who complete your survey.”