| 58 | | |
| | 58 | Part 1 |
| | 59 | * Learnability: How easy is it for users to accomplish basic tasks the first time they encounter the design? |
| | 60 | * Efficiency: Once users have learned the design, how quickly can they perform tasks? |
| | 61 | * Memorability: When users return to the design after a period of not using it, how easily can they re establish proficiency? |
| | 62 | * Errors: How many errors do users make, how severe are these errors, and how easily can they recover from the errors? |
| | 63 | * Satisfaction: How pleasant is it to use the design? |
| | 64 | Part 2 |
| | 65 | * Can users easily accomplish their intended tasks? For example, can users accomplish intended tasks at their intended speed? |
| | 66 | * How much training do users need? |
| | 67 | * What documentation or other supporting materials are available to help the user? Can users find the solutions they seek in these materials? |
| | 68 | * What and how many errors do users make when interacting with the product? |
| | 69 | * Can the user recover from errors? What do users have to do to recover from errors? Does the product help users recover from errors? For example, does software present comprehensible, informative, non-threatening error messages? |
| | 70 | * Are there provisions for meeting the special needs of users with disabilities? (accessibility) |
