How can i create multiple choice questions GUI using Guide ?

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Prashanth Damojipurapu
Prashanth Damojipurapu on 5 Jul 2016
I need to create a GUI with Multiple Choice Questions
There will be 15 questions, four choices for each question,push button to submit the answer and there will be 15 stars. if the user selects a correct answer the star becomes green,if not star will turn to red.
I need to know which choice the user has selected ?
I attached an snapshot of how i did it.
I tried to insert the stars but it didn't seem to work.
Hope somebody can help me. Thanks in advance.
Geoff Hayes
Geoff Hayes on 6 Jul 2016
I think that you would have a Next button to go from one question to the next. In the callback for this button, you would need to update the question and answers for that next question.
As for the star, you mentioned I tried to insert the stars but it didn't seem to work. What did you do? Do you have a green star image and a red one?

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Answers (3)

Image Analyst
Image Analyst on 7 Jul 2016
The best way to have 15 questions, if you don't want to take up your whole screen, is to use a popup control (a drop down list).
Alternatives would be a listbox control,
or calling the menu() function to popup a dialog box but that only lets them interact when you call the function, not whenever they want like a control.
Again, I recommend the popup control as the best option for letting the user choose from a list of 15 options.
Image Analyst
Image Analyst on 7 Jul 2016
If you want to let them pick from a continuum of values, then a scrollbar would be okay, like "How much do you like this product on a scale of 0 to 10?" But it would not be good for a discrete set of choices.

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Geoff Hayes
Geoff Hayes on 5 Jul 2016
Prashanth - if your radio buttons have been created within a uipanel (which given your screenshot appears to be the case) then you can get the selected radio button from within the pushbutton callback as
function pushbutton1_Callback(hObject, eventdata, handles)
hSelectedRadioBtn = get(handles.uipanel1,'SelectedObject')
The above assumes that the Tag property for your panel has been set to uipanel1. Once you have the handle to the radio button, you can check its string to see what answer the user has selected.

Shameer Parmar
Shameer Parmar on 7 Jul 2016
Hello Prashanth,
Check the attached scripts..
Run the Test.m file and see the results..
Go through the logic added into callback of functions...Let me know if you dont get the logic..
Prashanth Damojipurapu
Prashanth Damojipurapu on 2 Aug 2016
I got a small error while running the file. In my files i included a previous button. Score is being counted twice,if the user goes previous question selects the correct choice and goes to the next question.
I need to change the code but i don't know how.
Can you help me that ??

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