1

Many survey questions ask the respondent to choose one option from 10 (e.g. the Net Promoter Score).

However Apple's HIG recommend that touch targets on mobile have a minimum of 44x44pts.

So we have 44x10 = 440, which is greater than, e.g. the iPhone6 Plus which has a width of 414 points.

Any design recommendations here, given that a responsive overflow design with buttons probably wouldn't work for most surveys, e.g.

 Not at all likely [0] [ 1 ] [ 2 ] [ 3 ] [ 4 ] [ 5 ] [ 6 ] [ 7 ] [ 8 ] [ 9 ] [ 10 ] Extremely likely                                                         

would become

  Not at all likely [ 0 ] [ 1 ] [ 2 ] [ 3 ] [ 4 ] [ 5 ]
                    [ 6 ] [ 7 ] [ 8 ] [ 9 ] [ 10 ] Extremely likely

which might influence the user's response.

  • Do you really need 1-10? How about 1-5 or 1-4? – Mayo Nov 14 '15 at 12:31
  • There are multiple reasons - sensitivity and compatibility with previous surveys (e.g. the Net Promoter Score) being primary. – XCode Warrier Nov 14 '15 at 13:46
1

My solution for our survey was drop-down:

NPS mobile drop-down

1

Consider an alternative input type such as a horizontal slider. Not only would that fit within the screen width but it would also preserve screen real estate above and below since a slider has little height.

Another way to look at it is that any structure you use will influence the user. You can't not influence them. Putting 1 first (as opposed to 10) probably has a bigger impact than having the options on two rows.

  • You can't not influence the user, but in the case of a standardized question that's widely used, you don't want to systematically influence users one way on one platform and another way on another. – octern Feb 13 '16 at 21:05
0

Use halfway chooseable 1-5 stars on the mobile.

enter image description here

  • Thanks, but this doesn't have the sensitivity required for many survey questions. – XCode Warrier Mar 4 '16 at 13:12
0

Especially on mobile where most users hold their phone in a portrait position I'd recommend a vertical list of choices.

E.g. Similar to this (but numbers)

enter image description here

This solves several issues at once.

  1. If you need room for longer labels you have it (e.g. "1 - very poor", "10 - Amazing Fantastic"
  2. This ensures a really large hit target (mobile users are using their thumbs most of the time) e.g Fitts' Law

Finally I can think of nothing more frustrating than radio buttons and checkboxes on mobile... They are both beyond difficult to use.

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