Problem with printing value captured by slider


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allthedecs
allthedecs
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Will do, thanks for all the help!
Dave
Dave
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allthedecs - Tuesday, August 14, 2018
I had originally inserted the format functions in those sections of the code as I was having the problem described in https://www.millisecond.com/forums/Topic25399.aspx and needed more rounded numbers to be saved for our purposes with the output

I can remove them there, however if possible I would still like the values to be printed rounded to exactly 2 decimal places as they represent dollars and cents. I've tried putting the format function in a range of other locations (e.g. in the <text> element, in an <expression>) but so long as it is somewhere in the path from the participant's slider response to the ultimate text element, the value is printed as 0.00 if the default slider response is used without clicking and dragging the slider


I see. Best then to treat the default case separately:

<surveypage known_practice_page>
/ stimulustimes = [0 = practice_known_pics, urncontents_label, practice_knownodds, quittext, practiceheader]
/ questions = [1 = slider.bet_slider]
/ showpagenumbers = false
/ showquestionnumbers = false
/ nextbuttonposition = (40%, 90%)
/ finishlabel = "Place bet"
/ navigationbuttonsize = (20%, 6%)
/ navigationbuttonfontstyle = ("Arial", 3.33%, false, false, false, false, 5, 1)
/ ontrialend = [values.practice_known60bet = format("%.2f", slider.bet_slider.response/100)]
/ ontrialend = [
    if (slider.bet_slider.response == "500") values.practice_known60bet = "5.00";
]

</surveypage>

<surveypage unknown_practice_page>
/ stimulustimes = [0 = practice_unknown_pics, urncontents_label, practice_unknownodds, quittext, practiceheader]
/ questions = [1 = slider.bet_slider]
/ showpagenumbers = false
/ showquestionnumbers = false
/ nextbuttonposition = (40%, 90%)
/ finishlabel = "Place bet"
/ navigationbuttonsize = (20%, 6%)
/ navigationbuttonfontstyle = ("Arial", 3.33%, false, false, false, false, 5, 1)
/ ontrialend = [values.practice_unknown40bet = format("%.2f", slider.bet_slider.response/100)]
/ ontrialend = [
    if (slider.bet_slider.response == "500") values.practice_unknown40bet = "5.00";
]

</surveypage>

and

<surveypage known_urn_page>
/ stimulustimes = [0 = known_urn_pics, urncontents_label, knownodds, quittext, maintask_header]
/ questions = [1 = slider.bet_slider]
/ showpagenumbers = false
/ showquestionnumbers = false
/ nextbuttonposition = (40%, 90%)
/ finishlabel = "Place bet"
/ navigationbuttonsize = (20%, 6%)
/ navigationbuttonfontstyle = ("Arial", 3.33%, false, false, false, false, 5, 1)
/ ontrialend = [
    if (list.knownorderlist.nextvalue == 1) {values.known30bet = format("%.2f", slider.bet_slider.response/100)}
    if (list.knownorderlist.nextvalue == 2) {values.known40bet = format("%.2f", slider.bet_slider.response/100)}
    if (list.knownorderlist.nextvalue == 3) {values.known50bet = format("%.2f", slider.bet_slider.response/100)}
    if (list.knownorderlist.nextvalue == 4) {values.known60bet = format("%.2f", slider.bet_slider.response/100)}
    if (list.knownorderlist.nextvalue == 5) {values.known70bet = format("%.2f", slider.bet_slider.response/100)}
]
/ ontrialend = [
    if (list.knownorderlist.nextvalue == 1 && slider.bet_slider.response == "500") {values.known30bet = "5.00"}
    if (list.knownorderlist.nextvalue == 2 && slider.bet_slider.response == "500") {values.known40bet = "5.00"}
    if (list.knownorderlist.nextvalue == 3 && slider.bet_slider.response == "500") {values.known50bet = "5.00"}
    if (list.knownorderlist.nextvalue == 4 && slider.bet_slider.response == "500") {values.known60bet = "5.00"}
    if (list.knownorderlist.nextvalue == 5 && slider.bet_slider.response == "500") {values.known70bet = "5.00"}
]

</surveypage>

<surveypage unknown_urn_page>
/ stimulustimes = [0 = unknown_urn_pics, urncontents_label, unknownodds, quittext, maintask_header]
/ questions = [1 = slider.bet_slider]
/ showpagenumbers = false
/ showquestionnumbers = false
/ nextbuttonposition = (40%, 90%)
/ finishlabel = "Place bet"
/ navigationbuttonsize = (20%, 6%)
/ navigationbuttonfontstyle = ("Arial", 3.33%, false, false, false, false, 5, 1)
/ ontrialend = [
    if (list.unknownorderlist.nextvalue == 1) {values.unknown30bet = format("%.2f", surveypage.unknown_urn_page.response/100)}
    if (list.unknownorderlist.nextvalue == 2) {values.unknown40bet = format("%.2f", surveypage.unknown_urn_page.response/100)}
    if (list.unknownorderlist.nextvalue == 3) {values.unknown50bet = format("%.2f", surveypage.unknown_urn_page.response/100)}
    if (list.unknownorderlist.nextvalue == 4) {values.unknown60bet = format("%.2f", surveypage.unknown_urn_page.response/100)}
    if (list.unknownorderlist.nextvalue == 5) {values.unknown70bet = format("%.2f", surveypage.unknown_urn_page.response/100)}
]
/ ontrialend = [
    if (list.unknownorderlist.nextvalue == 1 && slider.bet_slider.response == "500") {values.unknown30bet = "5.00"}
    if (list.unknownorderlist.nextvalue == 2 && slider.bet_slider.response == "500") {values.unknown40bet = "5.00"}
    if (list.unknownorderlist.nextvalue == 3 && slider.bet_slider.response == "500") {values.unknown50bet = "5.00"}
    if (list.unknownorderlist.nextvalue == 4 && slider.bet_slider.response == "500") {values.unknown60bet = "5.00"}
    if (list.unknownorderlist.nextvalue == 5 && slider.bet_slider.response == "500") {values.unknown70bet = "5.00"}
]

</surveypage>

allthedecs
allthedecs
Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)
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Posts: 5, Visits: 8
I had originally inserted the format functions in those sections of the code as I was having the problem described in https://www.millisecond.com/forums/Topic25399.aspx and needed more rounded numbers to be saved for our purposes with the output

I can remove them there, however if possible I would still like the values to be printed rounded to exactly 2 decimal places as they represent dollars and cents. I've tried putting the format function in a range of other locations (e.g. in the <text> element, in an <expression>) but so long as it is somewhere in the path from the participant's slider response to the ultimate text element, the value is printed as 0.00 if the default slider response is used without clicking and dragging the slider


Dave
Dave
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allthedecs - Monday, August 13, 2018
I am writing a script where I need to capture a participant's response using a slider, and print it back to them in a subsequent trial, but I'm getting a peculiar issue.

The response is stored in a <values> item using the following command (it's actually first stored in another <values> item first and then transfered to values.selectedurn_bet, but I'm not sure if that's important here):
values.selectedurn_bet = format("%.2f", surveypage.known_urn_page.response/100)


and then printed to the screen using a <text> element:<text selectedbet_text>
/ items = ("For this urn, you bet $<%format(~"%.2f~", values.selectedurn_bet)%>")
/ size = (40%, 10%)
/ position = (50%, 72%)
/ hjustify = center
</text>

Everything works fine if the participant drags the slider to set their bet. However, if they use the default slider value (i.e. respond without actually clicking and dragging the slider to a different value), the number reported by the text element is 0.00:
For this urn, you bet $0.00

In case it helps I've attached the code here

Thanks in advance!

Don't use the format function here, just do

<surveypage known_practice_page>
/ stimulustimes = [0 = practice_known_pics, urncontents_label, practice_knownodds, quittext, practiceheader]
/ questions = [1 = slider.bet_slider]
/ showpagenumbers = false
/ showquestionnumbers = false
/ nextbuttonposition = (40%, 90%)
/ finishlabel = "Place bet"
/ navigationbuttonsize = (20%, 6%)
/ navigationbuttonfontstyle = ("Arial", 3.33%, false, false, false, false, 5, 1)
/ ontrialend = [values.practice_known60bet = slider.bet_slider.response/100]
</surveypage>


allthedecs
allthedecs
Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)Respected Member (457 reputation)
Group: Forum Members
Posts: 5, Visits: 8
I am writing a script where I need to capture a participant's response using a slider, and print it back to them in a subsequent trial, but I'm getting a peculiar issue.

The response is stored in a <values> item using the following command (it's actually first stored in another <values> item first and then transfered to values.selectedurn_bet, but I'm not sure if that's important here):
values.selectedurn_bet = format("%.2f", surveypage.known_urn_page.response/100)


and then printed to the screen using a <text> element:<text selectedbet_text>
/ items = ("For this urn, you bet $<%format(~"%.2f~", values.selectedurn_bet)%>")
/ size = (40%, 10%)
/ position = (50%, 72%)
/ hjustify = center
</text>

Everything works fine if the participant drags the slider to set their bet. However, if they use the default slider value (i.e. respond without actually clicking and dragging the slider to a different value), the number reported by the text element is 0.00:
For this urn, you bet $0.00

In case it helps I've attached the code here

Thanks in advance!
Attachments
urntask.iqx (611 views, 24.00 KB)
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