ECT/HCI 441
Grading Criteria for Usability Testing

 

Greeter Puts user at ease: 1.

2

    2.

2

    3.

2

    4.

2

  In a written document, greeter explains

1

  the purpose of the test

2

  explains user’s contribution / empowers user (3 ways) 1. 2
    2.

2

    3. 2
  explains how user should interact with prototype

4

  encourages user to "think aloud"

2

  offers Informed Consent document. Waits while user reads and signs.

2

 
Facilitator gives users tasks to perform, one task per card

1

  encourages user to express thoughts

3

  allows user to struggle without offering help too quickly

4

  makes sure that tests finish on time

4

  maintains a neutral demeanor at all times

3

  concludes test scenario in a neutral manner
2
 
Computer correctly responds to user input

3

  responds to user input in a timely manner

3

  maintains a neutral demeanor at all times. Does not speak during test.

3

 
Observer stands out of line of direct sight of user

2

  positions self to see the user’s hands, face and screen

2

  takes notes, one per card

2

  takes notes quietly

2

  maintains neutral demeanor at all times. Does not speak during test.

2

 
Conclusion Thank user for participating (all team members can do this)

3

 
General Test team arrives on time and sets up quickly

5

  Finished within scheduled time without prompting from instructor

2

 
Consent Form is clearly written and includes

 

  A statement of confidentiality

1

  "I have freely volunteered to participate"

1

  statement of purpose

1

  statement of benefit and any risk

1

  user has the opportunity to ask questions

1

  user may withdraw consent and discontinue participation at any time without penalty

1

  "I am at least 18 years of age."

1

  contact information of tester; tester’s supervisor

1

  "My signature below affirms all of the above prior to participation"

1

 
Pretest Questionnaire includes  
  a method to determine if person is part of target user group
4
   
Posttest Questionnaire includes  
  a method to determine preference measures
4
 
Task list clearly stated/phrased but without cues

2

  include real data, motivation 2
  poses tasks, not instructions 2
  tests usability goals mentioned in homework 1 5
  Appropriate tasks for each user group

2

     
  Team Total (out of 100)  
     
  Overall score (75% team total + 25% Prototype)