{"id":326,"date":"2024-07-03T11:55:23","date_gmt":"2024-07-03T11:55:23","guid":{"rendered":"https:\/\/www.veeform.com\/blog\/?page_id=326"},"modified":"2024-10-11T17:30:02","modified_gmt":"2024-10-11T17:30:02","slug":"quiz-logic","status":"publish","type":"page","link":"https:\/\/www.veeform.com\/blog\/quiz-logic\/","title":{"rendered":"Quiz logic"},"content":{"rendered":"

Forenotes :
\n<\/strong>\u00a0– If you are creating a personality quiz<\/strong>, here is a tutorial<\/a>.
\n<\/strong>\u00a0– In logic, we evaluate “And” before “Or”<\/strong> (more on that below).<\/p>\n

Quiz logic helps you redirect respondents to the right question path. Let’s see how it works.<\/p>\n

Base principle<\/h2>\n

Logic is here to help you present relevant questions\/statements to your respondents. Let’s take an example.<\/p>\n

Let’s say that I have a question asking how my respondents’ skin is like (number 3) and I want to display a statement based on their answer (number 4, 5, 6, 7).<\/p>\n

\"\"<\/p>\n

I select my question (number 3) and click on the “Question logic” icon, then on “+ Add rule” (cf screenshot below).<\/p>\n

\"\"<\/p>\n

 <\/p>\n

From there, I can decide what to do based on my respondent’s answer. So I create 4 rules : one for each answer and I redirect to the right statement.<\/p>\n

For instance, if the answer is “Tight, dry”, the respondent will go to statement number 4 (cf screenshot below).<\/p>\n

\"\"<\/p>\n

I also want all statements to redirect to the next real question (number 8). So I click on those statements and change their logic as well.<\/p>\n

No need for a rule, I can directly set “Always go to” to “8. What is your primary skin concern?” (= the next real question).<\/p>\n

\"\"<\/p>\n

And that’s it!<\/p>\n

Combining multiple conditions in a rule<\/h2>\n

Before we dive into slightly more complicated matters, let’s define what we’re talking about.<\/p>\n

In a question logic, there may be one or multiple rules<\/strong> that contain one or multiple conditions<\/strong> each. Each rule will be evaluated in the order you see on the screen until a valid one is found : the corresponding “Then GO TO” question will be then shown. If no valid rule is found, the “Always go to” question will be shown.<\/p>\n

\"\"<\/p>\n

As you can see, you may have multiple conditions in a rule. In this case, conditions are linked using an operator, either “And” or “Or”.<\/p>\n

If we were to write the first rule of the screenshot above as a simple text, this would be : “If the answer to question 3 is “Tight, dry” and the answer to question 2 is “Below 18″, then go to question 4”.<\/p>\n

In a more compact way : IF Q3 is “Tight, dry”<\/em> AND Q2 is “Below 18”<\/em> THEN GO Q4<\/p>\n

Please note that we use boolean algebra and that “And” operators will be evaluated before “Or” operators<\/strong>. It only matters if you have more than 2 conditions in a single rule of course.<\/p>\n

“And” operators are evaluated before “Or” operators<\/h2>\n

Let’s take the example below.<\/p>\n

\"\"<\/p>\n

The rule could be written like this:<\/p>\n

IF Cond1 AND Cond2 OR Cond3 THEN GO Q4<\/p>\n

And since “AND” is always evaluated before “OR” in boolean algebra, let’s add parentheses for more clarity :<\/p>\n

IF (<\/strong>Cond1 AND Cond2)<\/strong> OR Cond3 THEN GO Q4<\/p>\n

This means that if Cond3 alone is true, it is enough to redirect the respondent to Q4!<\/p>\n

Pro tip :<\/strong> if you’d like to simulate an “OR” to be evaluated in priority and have a “multiple choice” question, you can use the “is one of” operator. For instance, on the screenshot below, the condition is IF Q3 is (tight OR oily) AND Q2 is 18-30 THEN GO Q6.<\/p>\n

\"\"<\/p>\n

Anyway, if you want to be able to evaluate “OR” in priority over “AND” for other types of questions, please contact us at support@veeform.com<\/a> and we will let you do it as soon as possible (we usually answer within 24 hours).<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Forenotes : \u00a0– If you are creating a personality quiz, here is a tutorial. \u00a0– In logic, we evaluate “And” before “Or” (more on that below). Quiz logic helps you redirect respondents to the right question path. Let’s see how it works. 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