3 Ways to improve your survey invite and increase response rates

ePROs in clinical trials – Why we should be mobile firstYou’ve designed your survey questionnaire using SurveyMonkey or some other platform and are ready to send it out. But, did you know that your survey email invite can make all the difference to the final response rate to your survey? Below are three tips that will help you get more opens and clicks to your survey.

1 Get your email subject line right

Keep your subject line to 35 -50 characters maximum and remember iPhones cut off subject lines after 35 characters in portrait view and 80 in landscape view. Also:

  • Personalise whenever possible
  • Avoid using all caps and words that trigger spam
  • Be specific and relevant
  • Use a call to action

A poor subject line

We need your help – Fill out our survey

A better subject line

What are your health needs?  –  A quick survey

Tell us what you think about our services


2 Writing the survey invite – Within the email

tl;dr stands for “too long; didn’t read.” So avoid long blocks of text. A survey invite should be brief and to the point, but should include the following but, keep it brief:

  • Personalise the salutation e.g. Dear Mr/Ms/Mrs
  • How and why participants have been selected
  • Purpose of the survey  and benefits of participating
  • Stress confidentiality
  • How long to complete
  • Survey deadline
  • Thank recipients in advance


3 Where should you place the link to your survey?

You want to make things as easy as possible for your respondents to access the survey, so placing the survey link as close as possible to the top of the email can significantly improve response rates.

So before sending out your survey email invite make sure your subject line is well written, avoid long blocks of text and place the link to your survey as close as possible to the top of the email.

Find out about our 90 minute online workshop How to design your online survey questionnaire that will help you design an online questionnaire using SurveyMonkey as an example platform, that will meet the research objectives, allow participants to answer accurately and completely and reduce the risk of bias.

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