website development exercise and need the explanation and answer to help me learn.
Need help with course excersice
Requirements: 1 page
© 2020 eCornell. All rights reserved. All other copyrights, trademarks, trade names, and logos are the sole property of their respective owners. Human-Centered Design EssentialsCornell Computing and Information Science1TOOLThe Usability and User Experience AssessmentThis tool provides you with a checklist and advice to inform your decision-making on the device you designed or are tasked to assess.Usability AssessmentMetricDescriptionHow to measureUnitsEff ectiveness(success rate)The degree to which a user can successfully achieve their goals in using the systemAbility to complete a taskYes/noEffi ciencyThe degree to which a user can interact with the system to achieve their goals with minimal time and eff ortTask completion timeSeconds or minutesNumber of clicks to complete taskCount clicksLearnabilityThe degree to which a user can learn how to use the systemAbility to complete a task the fi rst timeYes/noTime to complete a task the fi rst timeSeconds or minutesMemorabilityThe degree to which a user can remember how to use the system after taking a break and then returning to itAbility to complete a task after a hiatusYes/noTime to complete a task after a hiatusSeconds or minutes
© 2020 eCornell. All rights reserved. All other copyrights, trademarks, trade names, and logos are the sole property of their respective owners. Human-Centered Design EssentialsCornell Computing and Information Science2continued…Usability AssessmentMetricDescriptionHow to measureUnitsError rateThe degree to which the interaction is smooth or involves making mistakes along the way toward completing the taskNumber of incorrect actions the user makes during the interactionCountThe severity of each incorrect action the user makes during the interactionChoose one of the following: 4: catastrophic (e.g., system crash)3: major (user recovers but it is diffi cult)2: minor (user recovers easily)1: cosmetic (visual only; doesn’t aff ect the interaction)Ability to recover from errors: whether the user is able to recover from an error and go back to completing the taskYes/noSatisfactionPleasure of useA user’s perceived level of satisfaction from using the systemChoose one of the following:5: very satisfi ed4: satisfi ed3: neither satisfi ed nor dissatisfi ed2: dissatisfi ed1: very dissatisfi ed!
© 2020 eCornell. All rights reserved. All other copyrights, trademarks, trade names, and logos are the sole property of their respective owners. Human-Centered Design EssentialsCornell Computing and Information Science3User Experience AssessmentDimensionDescriptionHow to analyzeSensualThe sensory engagement of the user with the systemDescribe how the user interacts with the user interface on a sensory level – sight, touch, sound, etc. – and what design elements in the user interface trigger the user’s sensory engagement.EmotionalEmergent feelings being fostered through the interaction between the user and the systemDescribe how design elements in the user interface trigger user’s feelings and how these feelings change dynamically throughout the fl ow of the interaction.SocialConstruction of shared meaning through interaction in a social contextDescribe the social context in which the user interacts with the system and how interacting with the system infl uences the user’s social context.ContextualThe unique context of interaction in time, place, and situationDescribe the specifi c situation in which the interaction happens – who, where, when, with whom, with what device, etc. – and how this situation aff ects the interaction. Also describe how the context changes over time and how the interaction might aff ect the context. Compositional/HolisticConnecting the parts of the interaction into a bigger picture of experienceDescribe how the diff erent design elements in the user interface together bring about an overall experience through the fl ow of the interaction, beyond trying to achieve a certain goal.TimePlaceSituation
© 2020 eCornell. All rights reserved. All other copyrights, trademarks, trade names, and logos are the sole property of their respective owners. Human-Centered Design EssentialsCornell Computing and Information Science1TOOLThe Usability and User Experience AssessmentThis tool provides you with a checklist and advice to inform your decision-making on the device you designed or are tasked to assess.Usability AssessmentMetricDescriptionHow to measureUnitsEff ectiveness(success rate)The degree to which a user can successfully achieve their goals in using the systemAbility to complete a taskYes/noEffi ciencyThe degree to which a user can interact with the system to achieve their goals with minimal time and eff ortTask completion timeSeconds or minutesNumber of clicks to complete taskCount clicksLearnabilityThe degree to which a user can learn how to use the systemAbility to complete a task the fi rst timeYes/noTime to complete a task the fi rst timeSeconds or minutesMemorabilityThe degree to which a user can remember how to use the system after taking a break and then returning to itAbility to complete a task after a hiatusYes/noTime to complete a task after a hiatusSeconds or minutes
© 2020 eCornell. All rights reserved. All other copyrights, trademarks, trade names, and logos are the sole property of their respective owners. Human-Centered Design EssentialsCornell Computing and Information Science2continued…Usability AssessmentMetricDescriptionHow to measureUnitsError rateThe degree to which the interaction is smooth or involves making mistakes along the way toward completing the taskNumber of incorrect actions the user makes during the interactionCountThe severity of each incorrect action the user makes during the interactionChoose one of the following: 4: catastrophic (e.g., system crash)3: major (user recovers but it is diffi cult)2: minor (user recovers easily)1: cosmetic (visual only; doesn’t aff ect the interaction)Ability to recover from errors: whether the user is able to recover from an error and go back to completing the taskYes/noSatisfactionPleasure of useA user’s perceived level of satisfaction from using the systemChoose one of the following:5: very satisfi ed4: satisfi ed3: neither satisfi ed nor dissatisfi ed2: dissatisfi ed1: very dissatisfi ed!
© 2020 eCornell. All rights reserved. All other copyrights, trademarks, trade names, and logos are the sole property of their respective owners. Human-Centered Design EssentialsCornell Computing and Information Science3User Experience AssessmentDimensionDescriptionHow to analyzeSensualThe sensory engagement of the user with the systemDescribe how the user interacts with the user interface on a sensory level – sight, touch, sound, etc. – and what design elements in the user interface trigger the user’s sensory engagement.EmotionalEmergent feelings being fostered through the interaction between the user and the systemDescribe how design elements in the user interface trigger user’s feelings and how these feelings change dynamically throughout the fl ow of the interaction.SocialConstruction of shared meaning through interaction in a social contextDescribe the social context in which the user interacts with the system and how interacting with the system infl uences the user’s social context.ContextualThe unique context of interaction in time, place, and situationDescribe the specifi c situation in which the interaction happens – who, where, when, with whom, with what device, etc. – and how this situation aff ects the interaction. Also describe how the context changes over time and how the interaction might aff ect the context. Compositional/HolisticConnecting the parts of the interaction into a bigger picture of experienceDescribe how the diff erent design elements in the user interface together bring about an overall experience through the fl ow of the interaction, beyond trying to achieve a certain goal.TimePlaceSituation
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