Enable Other choice
If you want to give your respondents the option to type an answer which does not exist among the available answers, you can always enable the other option. Enabling other adds a text box in which your respondents can type in their own answer. These type of questions are also known as “open-ended” questions, and they allow you to collect answers that you may not have thought of when making your survey.
Open-ended vs. closed questions
How to choose between open-ended and closed questions when designing a survey? Generally, open-ended questions are questions that do not provide response options. When you ask a respondent to answer in his/her own words, you are using an open-ended question.
However, “closed,” or “forced-choice” questions, also known as Single selection or Multiple selection questions, are those that offer a limited number of responses from which the respondent can choose the best answer or answers. These two types of questions are used for different purposes and require the evaluator to analyze and interpret data in distinct ways.