Mistakes are "errors of intention", where people intended to choose the wrong option.(T/F)
False
What is a Data-driven slip?
Slip that is caused by external data interferes with attention
Provide memory aids and clear displays of system progression avoids what kind of slips?
Loss-of-activation slips
I purchased a laptop battery as a replacement. After receiving, the battery is incompatible with my laptop. This is a mistake.(T/F)
True
You opened the browser to check if you're still logged in to LMS, but there was a major browser update that requires a restart, you restarted the browser and forgot what you were doing. What type of slip just happened?
Loss-of-activation slip
How do you avoid Closure slips in general?
Either warn the user that something is incomplete, or autocomplete the missing sections
How many 'Chapter's are in "Designing with the Mind in Mind, Johnson, 3rd ed."
15
I've written a computer program to add two numbers, believing that 2+4=6 on any computer, but on my roomate's computer 2+4 outputs 1536. This is a mistake.(T/F)
True
Provide an example of a Closure slip
Some examples include:
Leave public device with access to personal information;
Forget the original after done copying on printer
Finished a online form and closed the tab without submitting
While designing an interface for a database, a design team is considering on adding confirmation messages before bulk-delete operations. This helps users recover from errors by:
Make risky, error-prone operations hard to do
*** SPECIAL: PUNISHMENT QUESTION *** The 100th digit of pi after the decimal
9
When the author of this activity was considering scores for the last row(standard is 500 pts). He chose to put in 600pts instead of 400 to decrease score difference between rows, but clicked on the wrong buttons and put 400 pts instead. Are there any mistakes(not slips) made?
Yes
"600 instead of 400 to decrease the score difference" where "decrese the score difference" is the intention, and "600 instead of 400" is the wrong choice
What's the difference between a Motor slip and a Mode slip?
Motor slip: human intended right action but did wrong
Mode slip: human did right action but system was wrong
Error recovery is a good way to stop users from making mistakes. How does 'undo', as one of the error recovery methods, help users?
'Undo' protects users from mistakes since operations that users didn't intend can be reversed, as damage from the previous action undone.
When does the optional final for this class end?(Date + Hour)
Dec 18th, 6pm
Just like unintentionally lie to someone else, one can infer that there exists errors where mistakes can be slipped.(T/F)
False
Remember that the title of slide 14 being "Type of Slip" instead of "Types of Slips". Assuming there was no software/hardware problem and slide creation had no interruptions/distractions, what is a likely type of slip that occured here? Explain.
Acceptable Answers:
Motor Slip: Intend to type plural but typed singular
Closure Slip: Fixed plural problem but closed without saving
*** SPECIAL: PUNISHMENT QUESTION *** According to the textbook, having confirmation messages before actions helps on two aspects for users, one of them involves a type of slip and the other one involves preventing mistakes, they are:
1. Capture slips
2. Make risky, error-prone operations hard to do
On the Stroop Effect image, How many of the words are either: colored green / is "Green"?
7