Usability Testing and Cognitive Design Principles

Advantages of High-Fidelity Prototyping

Which of the following is an advantage of high-fidelity prototyping?

• Is useful to “sell” a product idea to a client.
• Offers a good specification to code to.
• Looks and feels like a final product.

Conceptual and Mental Models

For the following two questions, recall that there are both conceptual models and mental models. Who creates the following?

• Mental model: User
• Conceptual model: Designer

Improving Information Recall

Which of the following are ways a person can better recall information?

• Dividing a list of digits into multi-digit numbers (e.g., remembering 19442001 as the years 1944 and 2001).
• Creating a story that relates items that otherwise may seem unrelated.
• Making information rhyme.
• Create a method to derive information instead of rote memorization.

Cognition and Design Implications

For the following two questions, choose the one aspect of cognition that best relates to the design implication:

Design Implications

Design interfaces that promote recognition rather than recall: Memory

Icons and other graphical representations should enable users to readily distinguish their differences: Perception

External Cognition and Cognitive Goals

Regarding external cognition, different ways of using external representation accomplish different cognitive goals. For the next two questions, choose the one best match for each of the following:

After going to the gym, crossing “going to the gym” off your to-do list

Annotating and cognitive tracing

Writing in your calendar a note to buy a birthday present for your Mom

Externalizing to reduce memory load

Memory Concepts and Punctuation

If you do not have a phone number stored in your phone, you have to read or hear it and then remember it long enough to dial it. To help, these numbers are usually punctuated with dashes and/or parentheses (e.g., (541) 737-1300). What memory concept does the punctuation leverage? (Choose the one best answer.)

Chunking

Triangulation Example

An example(s) of triangulation is:

• Using more than one data source to get at the same thing.

Field Interview Correction

You have just driven to the Hewlett-Packard site in Corvallis to field-interview a programmer. You sit down in a conference room and begin asking the questions on your semi-structured interview script. Is this a field interview? The correct answer is "no" because the programmer does not actually do work in the conference room (based on previous week’s lecture).

Research Method Selection

Investigating community issues rather than individual experiences requires: Focus groups

Interaction Design Process

Which one of these is NOT true about the interaction design processes described in your book and lecture?

• The user is involved at only the very last stage.

Usability Goals for Infrequent Use

Which one of these usability goals is more important when designing software that someone would use only once or twice, such as a tourist center information kiosk?

Learnability

System Constraints

The fact that you cannot delete certain system files is an example of (choose the one best answer):

Constraints

PRICPE Process Iteration

Which of the following three steps from the PRICPE process is not iterative? Choose the one best answer.

Pre-dispositions