Lecture 4 - Forms.docx

7 Pages

Computer Science
Course Code
Computer Science 1033A/B
Vivi Tryphonopoulos

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Forms 4/23/2013 2:33:00 PM Lecture 4 Forms  Web forms – allow us to communicate about a service or a product that we are interested in  Valuable for the companies using them: o Commerce – increased purchases and maximize sales o Social – growing communities, use of third party ads o Productivity – increased manpower, product offerings, managing information, selling services Form Length  Forms have to communicate with one voice: o Must choose what components to keep, cut or postpone  One long page – when a form contains a large number of questions related to a single topic  Multiple pages – if a form contains a large number of questions that are related by a few topics Form Structure  Mobile devices: o Sequential – groups of questions that have to be asked to complete a task  Have to go through each question to get to the next  E.g. registration, checkout, anything requiring answers o Non-Linear – each possible input can be selected and edited in a separate screen or dialog  No need to go through each field, input can be separately modified  Get the person to the information they want to modify/remove quickly and easily o In-Context – Provide a way to quickly contribute without a lot of effort  Applies to those who want to contribute fast  Direct inline editing – contributing directly with one simple touch  E.g. comment boxes Path to Completion  Clear Path – straight linear path from top to bottom o Aligning input fields to show start to finish o Let them know where they are in the process o Eye Tracking – people most commonly scan down the left hand side of a webpage more than the right side  Two column form o Designed better for desktop, not mobile o Problem is that you can’t see the label so you don’t know what you're modifying on the smaller mobile screen  The solution is label alignment  Tabbing between input fields o 60% of users use the tab key to move between fields o Two column layout makes it difficult to know which box the tab key will take the user next  Not good for mobile devices  Input labels o Left-label alignment  Advantages:  Works well for when data required is unfamiliar – user can take more time to understand what is asked  Can easily scan labels  Requires less vertical space  Disadvantages  Less clear association between label and field because of distance  Changing label length may impair layout  Mobile – can’t see the question sometimes o Right-label alignment  Advantages  Clear association between label and field because of close distance  Requires less vertical space  Disadvantages  More difficult to scan labels  Faster completion times – 50% faster than left aligned labels o Top-aligned labels  Advantages  Data being collected is familiar  Even faster completion than left/right aligned  Easier to code (no tables)  Better format for mobile  Zooms into field on a smaller screen for easier entry  Disadvantage
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