Human Factors
Psychology with
complete verified
solutions 2025-2026
What is Human Factors - answer the science of understanding the
properties of human capability and limitations, and applying this
understanding to the design and development of systems and services
-the goal of HF is to use knowledge about human cognitive, physical and
social characteristics to design machines, tools, and systems that are easy
and safe to use
Affordances - answer relationship between the properties of a physical
object and the capabilities of the human that determine how the object
could possible be used
-idea that certain things look as if your supposed to use them in a certain
way
Signifiers - answer people need to know what a design is for, what is
happening, and they need clues
Mapping - answer relationship between elements of two sets of things
Feedback - answer someway of letting you know that a system is working
on your request
-poor feedback can be worse than no feedback
Conceptual Model - answer simplified explanation of how something works
, Gulf of Execution - answer figure out how it operates, the gap between the
user's goal of action and the means to execute that goal
Gulf of Evaluation - answer figure out what happened, degree to which the
system provides representations that can be easily perceived and
interpreted in norms of the expectations and intentions of the user
Mistake - answer -errors in planning of action
-intended behavior is inappropriate under circumstances
-a person makes a poor decision, misclassifies a situation, or fails to take
all the relevant factors into account
-deciding not to bring an umbrella with you to campus because you
thought it wouldn't rain
Slip - answer -failure in execution of action
-intended behavior is appropriate, but is not carried out correctly, the user
has the right intention but does the wrong thing
-are especially likely to occur when a familiar or automatic behavior must
be inhibited
-deciding to go to the grocery store on the way home, and then realizing
when you get home that you never stopped at the store
Lapses - answer -an intended action is forgotten and not carried out
-the result of memory failures such as losing track of your place in
sequence actions
-intending to bring an umbrella with you and forgetting
Violations - answer -intentional choice to disobey rule or procedure
(without intention to cause harm)
-can occur because of organizational emphasis on costs or productivity
instead of safety
-not wearing safety gloves because they get in the way
Psychology with
complete verified
solutions 2025-2026
What is Human Factors - answer the science of understanding the
properties of human capability and limitations, and applying this
understanding to the design and development of systems and services
-the goal of HF is to use knowledge about human cognitive, physical and
social characteristics to design machines, tools, and systems that are easy
and safe to use
Affordances - answer relationship between the properties of a physical
object and the capabilities of the human that determine how the object
could possible be used
-idea that certain things look as if your supposed to use them in a certain
way
Signifiers - answer people need to know what a design is for, what is
happening, and they need clues
Mapping - answer relationship between elements of two sets of things
Feedback - answer someway of letting you know that a system is working
on your request
-poor feedback can be worse than no feedback
Conceptual Model - answer simplified explanation of how something works
, Gulf of Execution - answer figure out how it operates, the gap between the
user's goal of action and the means to execute that goal
Gulf of Evaluation - answer figure out what happened, degree to which the
system provides representations that can be easily perceived and
interpreted in norms of the expectations and intentions of the user
Mistake - answer -errors in planning of action
-intended behavior is inappropriate under circumstances
-a person makes a poor decision, misclassifies a situation, or fails to take
all the relevant factors into account
-deciding not to bring an umbrella with you to campus because you
thought it wouldn't rain
Slip - answer -failure in execution of action
-intended behavior is appropriate, but is not carried out correctly, the user
has the right intention but does the wrong thing
-are especially likely to occur when a familiar or automatic behavior must
be inhibited
-deciding to go to the grocery store on the way home, and then realizing
when you get home that you never stopped at the store
Lapses - answer -an intended action is forgotten and not carried out
-the result of memory failures such as losing track of your place in
sequence actions
-intending to bring an umbrella with you and forgetting
Violations - answer -intentional choice to disobey rule or procedure
(without intention to cause harm)
-can occur because of organizational emphasis on costs or productivity
instead of safety
-not wearing safety gloves because they get in the way
