WGU C790 NURSING EXAM PREP QUESTIONS
AND ANSWERS 2 2026 PRACTICE SOLUTION
STUDY GUIDE GRADED A+
◉ human factors. Answer: is "the scientific discipline concerned
with the understanding of interactions among humans and other
elements of a system, and the profession that applies theory,
principles, data and methods to design in order to optimize human
well-being and overall system performance."
In healthcare, human factors might concern the design of a new
operating room to better support teamwork and patient flow.
◉ ergonomics. Answer: used interchangeably with human factors by
the HFES in Europe but in the U.S. and other countries its focus is on
human performance with physical characteristics of tools, systems,
and machines
i.e. power drill fitting in hand
◉ Human-computer interaction (HCI). Answer: is the study of how
people design, implement, and evaluate interactive computer
systems in the context of users' tasks and work
,◉ usability. Answer: is often used interchangeably with HCI when
the product is a computer but usability also concerns products
beyond computers. Usability is also more focused on interactions
within a specific context or environment for a specific product.
Formally, the ISO defines usability as the extent to which a product
can be used by specific users in a specific context to achieve specific
goals with effectiveness, efficiency, and satisfaction.
allows users to achieve goals
◉ joint cognitive systems. Answer: imply that information is shared
or distributed among humans and technology. This framework is
useful for examining teamwork in healthcare where team members
work together on patient care
◉ Health Human-Computer Interaction (HHCI) Framework. Answer:
Humans or products can initiate interactions. The information is
processed through either the product or the humans according to
characteristics. The recipient then reacts to the information; for
example, a healthcare provider could read and respond to email
from a patient or a product might process interactions after the
"enter" key is pressed. Iterative cycles continue as humans behave
and products act according to defined characteristics. Goals and
planning are implicit within the tasks displayed in the framework.
,◉ discount usability methods. Answer: reduce the number of
required users in usability projects and to use early design
prototypes.
These methods offer economies of time, effort, and cost and can be
completed at any point in the systems life cycle.
Two common techniques are heuristic evaluation and think-aloud
protocol.
◉ Heuristic evaluations. Answer: compare products against
accepted usability guidelines to reveal major and minor usability
issues.
◉ think-aloud protocol. Answer: also involves a small number of
users and has them talk aloud while they interact with a product.
Users voice what they are trying to do, indicate where interactions
are confusing, and provide other thoughts about the product during
interactions.
This allows a detailed examination of the specified tasks, in
particular to uncover major effectiveness issues.
used in conjunction with other techniques
, ◉ task analysis. Answer: generic term for a set of more than 100
techniques that range from a focus on cognitive tasks and processes
(called cognitive task analysis) to observable user interactions with
an application (e.g., a systematic mapping of team interactions
during a patient code).
Task analyses are systematic methods that are used to understand
what users are doing or required to do with a product by focusing on
tasks and behavioral actions of the users and products.
These methods provide a process for learning about and
documenting how ordinary users complete actions in a specific
context.
Methods of task analysis include the following: •Interviews
•Observations •Shadowing users at their actual work sites
•Observing users doing tasks •Conducting ethnographic studies or
interviews
◉ focused ethnographies. Answer: concentrate on individuals'
points of view, their experiences and interactions in social settings,
rather than on just the actions of those individuals
AND ANSWERS 2 2026 PRACTICE SOLUTION
STUDY GUIDE GRADED A+
◉ human factors. Answer: is "the scientific discipline concerned
with the understanding of interactions among humans and other
elements of a system, and the profession that applies theory,
principles, data and methods to design in order to optimize human
well-being and overall system performance."
In healthcare, human factors might concern the design of a new
operating room to better support teamwork and patient flow.
◉ ergonomics. Answer: used interchangeably with human factors by
the HFES in Europe but in the U.S. and other countries its focus is on
human performance with physical characteristics of tools, systems,
and machines
i.e. power drill fitting in hand
◉ Human-computer interaction (HCI). Answer: is the study of how
people design, implement, and evaluate interactive computer
systems in the context of users' tasks and work
,◉ usability. Answer: is often used interchangeably with HCI when
the product is a computer but usability also concerns products
beyond computers. Usability is also more focused on interactions
within a specific context or environment for a specific product.
Formally, the ISO defines usability as the extent to which a product
can be used by specific users in a specific context to achieve specific
goals with effectiveness, efficiency, and satisfaction.
allows users to achieve goals
◉ joint cognitive systems. Answer: imply that information is shared
or distributed among humans and technology. This framework is
useful for examining teamwork in healthcare where team members
work together on patient care
◉ Health Human-Computer Interaction (HHCI) Framework. Answer:
Humans or products can initiate interactions. The information is
processed through either the product or the humans according to
characteristics. The recipient then reacts to the information; for
example, a healthcare provider could read and respond to email
from a patient or a product might process interactions after the
"enter" key is pressed. Iterative cycles continue as humans behave
and products act according to defined characteristics. Goals and
planning are implicit within the tasks displayed in the framework.
,◉ discount usability methods. Answer: reduce the number of
required users in usability projects and to use early design
prototypes.
These methods offer economies of time, effort, and cost and can be
completed at any point in the systems life cycle.
Two common techniques are heuristic evaluation and think-aloud
protocol.
◉ Heuristic evaluations. Answer: compare products against
accepted usability guidelines to reveal major and minor usability
issues.
◉ think-aloud protocol. Answer: also involves a small number of
users and has them talk aloud while they interact with a product.
Users voice what they are trying to do, indicate where interactions
are confusing, and provide other thoughts about the product during
interactions.
This allows a detailed examination of the specified tasks, in
particular to uncover major effectiveness issues.
used in conjunction with other techniques
, ◉ task analysis. Answer: generic term for a set of more than 100
techniques that range from a focus on cognitive tasks and processes
(called cognitive task analysis) to observable user interactions with
an application (e.g., a systematic mapping of team interactions
during a patient code).
Task analyses are systematic methods that are used to understand
what users are doing or required to do with a product by focusing on
tasks and behavioral actions of the users and products.
These methods provide a process for learning about and
documenting how ordinary users complete actions in a specific
context.
Methods of task analysis include the following: •Interviews
•Observations •Shadowing users at their actual work sites
•Observing users doing tasks •Conducting ethnographic studies or
interviews
◉ focused ethnographies. Answer: concentrate on individuals'
points of view, their experiences and interactions in social settings,
rather than on just the actions of those individuals
