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RDR2 Chapter 1 Walkthrough: Enter, Pursued by a Memory
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RDR2 Chapter 1 Walkthrough: Enter, Pursued by a Memory
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RDR2 Chapter 1 Walkthrough: The Aftermath of Genesis
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RDR2 Chapter 1 Walkthrough: The Aftermath of Genesis
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RDR2 Chapter 1 Walkthrough: Old Friends
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RDR2 Chapter 1 Walkthrough: Old Friends
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RDR2 Chapter 1 Walkthrough: Outlaws from the West
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RDR2 Chapter 1 Walkthrough: Outlaws from the West
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Usability Tests (Reading & Sharing Cont.)
Usability Tests (Reading & Sharing Cont.)
Heuristic Evaluation or Heuristic Inspection Methods
the most popular of what are called “discount usability evaluation”
because they are typically easy to do, involve fewer than 10 experts, and are much less expensive than other methods.
the objective is to detect problems early in the design process, when they can be most easily and economically corrected.
they are called “heuristic” because…
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Cognitive Walkthroughs
Materials Needed
A representation of the user interface
A user profile or Persona
A task list that includes all the tasks that you will use in the walkthrough, as well as an action sequence that details the specific task flow from beginning to end.
A problem reporting form and cards for listing design ideas for later use
Who Should Be Involved?
The cognitive walkthrough can be conducted by an individual or group. In a group evaluation, the important roles are:
Facilitator: The facilitator is generally the organizer and is responsible for making sure that the walkthrough team is prepared for the session and follows the ground rules for the walkthrough.
Evaluators: Representatives from the product team. These representatives could be usability practitioners, requirements engineers, business analysts, developers, writers, and trainers.
Notetaker: The notetaker records the output of the cognitive walkthrough.
Product expert: Since the cognitive walkthrough can be conducted early in the design stage (after requirements and a functional specification for example), a product expert is desired to answer questions that members of the walkthrough team may have about the systems features or feedback.
Domain experts: A domain expert is often, but not always a product expert. For example, if you were evaluating a complex engineering tool, you might include a domain expert in addition to product experts.
Procedure
Define the users of the product and conduct a context of use analysis.
Determine what tasks and task variants are most appropriate for the walkthrough.
Assemble a group of evaluators (you can also perform an individual cognitive walkthrough).
Develop the ground rules for the walkthrough. Some ground rules you might consider are:
Conduct the actual walkthrough
Bring all the analysts together to develop a shared understanding of the identified strengths and weaknesses.
Brainstorm on potential solutions to any problems identified.
No discussions about ways to redesign the interface during the walkthrough.
Designers and developers will not defend their designs.
Participants are not to engage in Twittering, checking emails, or other behaviors that would distract from the evaluation.
The facilitator will remind everyone of the ground rules and note infractions during the walkthrough.
Provide a representation of the interface to the evaluators.
Walk through the action sequences for each task from the perspective of the "typical" users of the product. For each step in the sequence, see if you can tell a credible story based on the following questions (Wharton, Rieman, Lewis, & Polson, 1994, pp. 106):
Record success stories, failure stories, design suggestions, and problems that were not the direct output of the walkthrough, assumptions about users, comments about the tasks, and other information that may be useful in design. Use a standard form for this process.
Will the user try to achieve the right effect?
Will the user notice that the correct action is available?
Will the user associate the correct action with the effect that the user is trying to achieve?
If the correct action is performed, will the user see that progress is being made toward the solution of the task?
http://www.usabilitybok.org/cognitive-walkthrough
The cognitive walkthrough
Usability inspection method
The cognitive walkthrough method is a usability inspection method used to identify usability issues in interactive systems, focusing on how easy it is for new users to accomplish tasks with the system. Cognitive walkthrough is task-specific, whereas heuristic evaluation takes a holistic view to catch problems not caught by this and other usability inspection methods. The method is rooted in the notion that users typically prefer to learn a system by using it to accomplish tasks, rather than, for example, studying a manual. The method is prized for its ability to generate results quickly with low cost, especially when compared to usability testing, as well as the ability to apply the method early in the design phases, before coding even begins.
Assumptions:
User has a rough plan
User explores the system, looking for action to contribute to performance of action
User section action that seems best for the goal
User interprets response and asses whether progress has been made toward completing a task
Evaluators are provided with: (3/5 people as 1 is not enough)
description of the prototype of the system. Not necessarily complete but detailed (this can be done quite early on)
description of a representative task a user is to perform
detailed list of the option actions needed to completed the taskin with the given prototype
an indication of who the users are and what kind of experience and knowledge the evaluators can assume about them
Walking through the tasks
For each action, the evalulators answer the following four questions:
Will the user try to achieve the effect that the subtask has? Does the user understand that this subtask is needed to reach the user's goal?
Will the user notice that the correct action is available? E.g. is the button visible?
Will the user understand that the wanted subtask can be achieved by the action? E.g. the right button is visible but the user does not understand the text and will therefore not click on it.
Does the user get appropriate feedback? Will the user know that they have done the right thing after performing the action?
By answering the questions for each sub task usability problems will be noticed.
Common mistakes In teaching people to use the walkthrough method, Lewis & Rieman have found that there are two common misunderstandings:
The evaluator doesn't know how to perform the task themself, so they stumble through the interface trying to discover the correct sequence of actions—and then they evaluate the stumbling process. (The user should identify and perform the optimal action sequence.)
The walkthrough does not test real users on the system. The walkthrough will often identify many more problems than you would find with a single, unique user in a single test session.
Try doing a cognitive walkthrough
Cognitive walkthrough is a method of testing the level of usability of a website. Consider using this method to identify problems that users will have when they first use an interface. Read more: The 4 questions to ask in a cognitive walkthrough
