13 Tips to Increase Email Survey Invitations Response Rates


An attractive email subject and survey invitation message will increase the number of recipients that complete your survey. Based on information our clients have shared with us, in this brief article we intend to provide useful recommendations on how to design email survey invitations in such a way that will attract more recipients to complete your questionnaire.

It is no coincidence that all the features you need to put these recommendations into practice are part of Mineful's online survey software and analysis package.

1. Test email subject, incentives, and messages

AB testing is the easiest and most productive ways to find out which subject or combination of subject and incentives best entices recipients to open the survey email. You can send different email subjects, incentives, messages, survey length, etc. and find out which one receives the highest completion rate.

How to improve open rate of your survey invitation?

2. Make your From Name recognizable. Mineful uses the company name as the From name on the email. The email to reply to can be manually changed on the 'Create Message' page, this way you can write a reply to email like admin@surveysoftware.com.

3. Avoid words that trigger spam filters. Words like "free" and "save money" can automatically send emails to the "junk" folder. For a complete list search "words that trigger spam filters" to see hundreds of list people have put together.

4. Make subject lines short and direct to the point. The subject line is usually your ticket to opening or ignoring an email. Write a short subject line, but do mention the benefits of completing the survey.

5. Send reminders. On average, sending reminders can increase response rate 2%. Do not send more than 3 reminders and send these every 3 to 5 days.

6. Increase readability of your message. Format the text using bullet points, use various short paragraphs, and make the first sentence relevant.

7. Test your invitation. When creating an email message, Mineful's online survey software has a "Test" button that allows you to send an invitation to the email you write on the "From" box so you can see how it looks like before sending to your list.

How to increase the click rate on your survey link?

8. Include personal information. Include the recipient's name and last name on the subject and/or message for a more personalized message.

9. Mention the purpose of the survey. For example, "Mineful invites you to participate in a brief survey about your recent experience with customer service."

10. Indicate how long the survey will take. Time yourself and colleagues and give them an interval on how long the survey will take; "between 8-10 minutes" or "less than 10 minutes".

11. Provide full disclosure on the incentive you offer. This means when, how, and what will they receive. Set a deadline to complete the survey. For example, "Complete this survey by November 18th and you will be entered into a drawing to receive a $125 gift certificate you can use at giftcertificates.com."

12. Sign the invitation and provide a link to your website.
"We appreciate your input and look forward to serving you better in the near future.


The Mineful Survey Software Team

13. Assure confidentiality of responses. Researchers can assure e-mail survey respondents of confidentiality by informing them that their e-mail addresses will not be recorded with their survey responses and that the online survey data will be considered only in the aggregate.

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Online Surveys Best Practices


Creating an online survey might seem simple at first. The latest online survey software makes it easy to construct an online questionnaire and chart the responses. But this process is not really as simple as it seems. To get the most useful results, you need to become familiar with online survey best practices.

To get the most out of online surveys, follow the best practices outlined here.

  • Begin by giving some careful thought to what you need to learn from your survey.
  • Keep your survey brief; make every question count.
  • Beware of bias.
  • Experiment with different kinds of questions.
  • Utilize the powerful analysis tools available with online survey software.
What Do You Need to Know?

The first step in creating an online survey is to decide what you want to know. What is the main thing you want to discover? Start by brainstorming everything you hope to learn from the survey. Then prioritize the topics you have listed.

In deciding what you want to learn from your survey, you need to think about how you are going to use the data you collect. What actions are you prepared to take to address the responses you receive? Will you create new procedures, start a new training program, and change your marketing plans?

Brief is Better

People have a limited attention span. Ideally, an online survey should take no more than five minutes to complete. In a typical online survey, people answer an average of five multiple-choice questions a minute. This means that you should probably limit your survey to no more than twenty-five questions. (In building online surveys, remember that one open-ended question equals three multiple-choice questions.)

To determine how long it will take to complete your survey, try it out on five or six people. Don’t tell them they are being timed. If you do, they might run through the questions faster than they normally would. If some people take much longer than others, ask them if there were any questions they didn’t understand.

Make Every Question Count

To get the most out of your survey, you have to make every question count. Don’t be satisfied with your first draft. Once you have written a question, try asking the same thing in three or four different ways. This exercise forces you to decide if your first attempt is really the best way to get at the information you want to know.

Your questions should be clear, brief and easy to read. Avoid unusual vocabulary or jargon that some people might not understand. Keep sentences short and simple.

Beware of Bias

If you really want to know what people think, you need to be careful not to steer them in a particular direction with your questions.

The most obvious example of biased questionnaires is the "push polls" used in some political campaigns. A push poll question might ask, "Do you think that Candidate X’s plan to raise taxes will place an unfair burden on the middle class?" The intent here is not to solicit anyone’s opinion on the candidate’s tax plans. The intent is to suggest that the candidate’s plans are unfair.

Push polls are obviously slanted, but bias can sneak into your online questionnaire without you noticing it. Sometimes "loaded" words can have a strong influence on how people respond to a question. For example, if you ask people whether the check-in procedures at your hotel "should be improved," they are likely to say yes. But wording the question this way doesn’t really tell you how happy or unhappy people are with the current procedures. Instead, you might use a rating question, such as, "Please rate the convenience of our check-in procedures." Possible responses could range from (1) "Inconvenient" to (5) "Very Convenient."

Be Specific

Sometimes questions are so general that they are not really useful. For example, consider the question, "Do you like salmon?" What does this mean? Do you like the taste of salmon? Do you like the health properties of salmon? Do you like the price of salmon compared to the price of other fish? Do you like salmon more or less than other fish? The question is so general that the responses you get will not really tell you much.

Also be careful to avoid "double-barreled" questions, such as, "Which of these vehicles do you consider to be the safest and most economical?" Here you are really asking two questions. People might consider a particular vehicle safe but not economical, and vice versa.

Try Different Question Types

In building an online survey, don’t limit yourself to a particular type of question. The types of questions you choose will depend on the subject and the kind of information you want to collect.

Multiple-choice questions are common in online questionnaires. They can be answered quickly and they make it easy to collect and compare data. But sometimes you don’t want to limit responses to four or five choices. In those cases, you might ask an open-ended question, such as, "How can we make visitors to our facility feel more welcome?"

Sometimes multiple choice questions allow the respondent to choose multiple answers. For example, "Which of the following products are you likely to buy in the next year?" These questions can give you more useful data for marketing purposes because they are a more accurate reflection of actual consumer behavior.

You might also try using ranking questions, such as, "Rank the following five vehicles in terms of overall value." These questions can give you a useful picture of how a product or service matches up with the competition.

Rating questions typically use a tool called a Likert Scale to create a picture of how people feel about something. For example, a Likert Scale question might ask, "How important do you think it is to have a fingerprint security reader on your laptop?" Possible responses might range from (1) "Not Important at All" to (7) "Very Important."

Matrix questions combine two or more variables. For example, a matrix question might ask people to rate five different online travel services on a scale from (1) "Inconvenient" to (5) "Very Convenient."

Basically, the type of questions you use will depend on what you want to know.

Question Branching

Question branching allows you to build flexibility into your survey. Here’s how it works. A question might ask, “Do you own your home?” A “yes” response will take the person to a new set of questions about home ownership. A “no” response will take the person to a new set of questions about renting a house or an apartment.

Branching simplifies questionnaires because respondents don’t see questions that are not relevant to them.

The Online Advantage

Online surveys offer a number of advantages over surveys done over the phone, by mail, or in person. They can include a larger sample size at a reasonable price. They make it easier to collect, analyze and present data. And they allow you to use video and images in a way that is just not practical in other types of surveys.

The best online survey software makes it easy to create attractive, user-friendly formats. You don’t need a background in web design or graphic arts to create a polished, professional questionnaire.

What Kind of Response Can You Expect?

The response you get to your survey depends mainly on the type of survey you are doing and your target audience. For example, if you are doing a customer satisfaction survey, you are likely to get more responses from people at both ends of the satisfaction spectrum – people who are very satisfied and people who are very dissatisfied.

In surveys aimed at a broad population, your response profile will probably mirror the profile of internet users in general. In broad terms, internet users are younger, somewhat more affluent, and more tech savvy than the average adult. They are about evenly divided between men and women. In terms of residence, approximately 54% of internet users are suburban, 30% are urban and 16% are rural.

If you are interested in narrowing this profile, you can include in your survey a few simple questions about age, gender, residence, etc.

Analyzing Survey Responses

Online survey software makes it easy to analyze responses. The best packages offer a broad range of statistical analysis tools that are simple and easy to use. Advanced users can customize the analysis by modifying the default options to suit their needs. Here are some of the analysis tools that are currently available.

Frequency Distribution simply tells you how many people chose particular responses to a multiple choice question.

Survey Cross-Tab Analysis allows you to see how responses to one question affect another. For example, you could see how what percentage of people who responded “college graduate” also responded “employed at the same job for more than five years.”

Average by Category lets you compare the average response for different categories of people. For example, you could compare the average annual income range for men and women, or for high school graduates and college graduates.

Cross Tab Means is a more sophisticated measurement that allows you to see the relationship among three variables. For example, you could see how highly SAFETY is rated by WOMEN who own a FORD.

Post-Stratification allows you to adjust results to reflect the true population. For example, suppose that 25% of respondents say that they own more than one computer, but you know that the average age of the respondents is 27. Using Census data, post-stratification can give more weight to the responses of older people, so that your survey will be a more accurate reflection of the true population.

Segmentation identifies groups of customers who share similar needs and who demonstrate similar buyer behavior. This allows marketers to target different campaigns to different groups of customers based on their survey responses.

The results you obtain with these tools can be presented in tables, charts or graphs. These displays can be customized to present data in a way that will be most meaningful for everyone who needs to use it.

A Survey for Every Purpose

Online surveys are used extensively for marketing and market research. The online approach works particularly well for marketing surveys because it allows a business to reach a large number of respondents easily and economically. Online survey software with market research forcus also makes it easy to analyze responses and adjust marketing plans accordingly.

Online questionnaires have also proved extremely effective for customer satisfaction surveys, advertisement effectiveness surveys, and product evaluation surveys. These tools give businesses a wealth of information about who their customers are, what they want, and how they decide what to buy.

Businesses also use online employee satisfaction surveys to learn how their employees feel about everything from pay grades to parking.

In summary, always remember... online survey best practices yield best results.

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