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Percentage-to-grade-activity - Coggle Diagram
Percentage-to-grade-activity
User Problems
Potential users
Students
be able to find received grade based on percentage
Teachers
Be able to find students’ grade using percentage
Developer Problems
Code
Using conditional codes to direct percentage inputs to an allocated output.
Input as percentage (integer), output as an A-E grade (string)
User Interface
Usability principles
clear intructions provided to the user (accessibility, learnability, effectiveness)
common icons that users are familiar with (utility, learnability)
minimal visual elements, simple layout (accessibility, effectiveness
appropriately sized font (accessibility, effectiveness)
features
a counter displaying user results
input box for user to type in a percentage value
‘enter’ button allowing user to start the process
Client Problems
Requirements
Easy to use app
app requires a single input (as percentage)
outputs an overall A-E grade
Constraints
Not a stand-alone app
4 days allocated for development
app is single-purposed
Comparable/ competitor apps
expert system?
PDF listing percentage-grade ( QCAA grade indicator)
Impacts
students may find it easier to deal with parents
parents can find grade themselves if the student decides not to tell them the grade, but given the percentage