Millisecond Forums

<values>
/ slidersum = 0
/ errormsg = " "
</values>


<block example>
/ trials = [1=sliderpage]
</block>

<surveypage sliderpage>
/ ontrialend = [
    values.slidersum = slider.a.response + slider.b.response + slider.c.response;
]
/ caption = "bla bla bla"
/ subcaption = "<%values.errormsg%>"
/ questions = [1=a; 2=b; 3=c]
/ showpagenumbers = false
/ showquestionnumbers = false
/ branch = [
    if (values.slidersum != 15) {
        values.errormsg = "Responses must add up to 15. Your responses added up to <%values.slidersum%>. Please try again.";
        return surveypage.sliderpage;
    };
]
</surveypage>

<slider a>
/ range = (1,9)
/ labels = ("1", "5", "9")
</slider>

<slider b>
/ range = (1,9)
/ labels = ("1", "5", "9")
</slider>

<slider c>
/ range = (1,9)
/ labels = ("1", "5", "9")
</slider>