One common mistake in HCI design is:

To do discount evaluations before getting feedback from actual users

To focus on the interface before you focus on the task the interface is going to support

To come up with too many designs

To focus too much on the task the interface is going to support and neglecting the interface itself

Making design goals explicit causes all the following except

leads to a big creative leap

helps a designer communicate with other stakeholders

increases mindfulness as a designer

provides a conceptual representation

Which of the following best supports the user in constructing a mental model of how to interact with a new web site?

Start with models of existing interfaces and tweak them.

Ask a web designer to explain their mental model.

By randomly choosing options.

Providing tool tips when the user hovers over buttons

A 'slip' happens when there is mismatch between user mental model and designer mental model.

True

False

How can a designer fix a slip?

By encouraging your users to take their time and make sure they're pressing the right button.

By spreading things out and making targets bigger in your interface.

By making instructions clearer for the user.

By recommending that their users look where they are clicking.

Which of the following is the most natural interaction?

XBox Gestures that map to controls

Pressing on a phone screen to engage a button

Typing commands into a terminal window

Using a pen to sign your name on a credit card reader

Asking Siri/Alexia for weather updates