HF 300 | ACE EVERY TEST | 100% VERIFIED
ANSWERS INSIDE.
Measures of central tendency (e.g., mean) and distribution of data (e.g., standard
deviation) are considered which type of statistics? - Answer: descriptive
A study compared speed of performance using a touch screen and speed of
performance using a mouse. In the study, 20 participants used the touch screen, and 20
used the mouse. Which of the following is the independent variable? - Answer: input
device
After a human factors research study, we want to generalize the results to other people,
settings and tasks. In order for us to generalize this way, we would want to make sure
we have good __________. - Answer: external validity
In a research setting, IRB stands for: - Answer: Institutional Review Board
Following an experiment, a researcher discloses the full intent of the study to the
participant including a description of any deception that might have been used. This
best describe what process? - Answer: debriefing
Type I error occurs - Answer: when a researcher claims there is an effect caused by the
independent variable but there is not
A movie theater designer does a test to determine the effect of placement of door
hinges (left or right) on customer speed of exit. Of the following, which is a possible
confounding variable? - Answer: all of the above issues are possible confounding
variables in this test
A cockpit display designer does a study to determine how the amount of air traffic
(heavy or light) impacts pilot speed of decision making. What is the dependent variable?
- Answer: speed of decision making
1
APPHIA - Crafted with Care and Precision for Academic Excellence.
ANSWERS INSIDE.
Measures of central tendency (e.g., mean) and distribution of data (e.g., standard
deviation) are considered which type of statistics? - Answer: descriptive
A study compared speed of performance using a touch screen and speed of
performance using a mouse. In the study, 20 participants used the touch screen, and 20
used the mouse. Which of the following is the independent variable? - Answer: input
device
After a human factors research study, we want to generalize the results to other people,
settings and tasks. In order for us to generalize this way, we would want to make sure
we have good __________. - Answer: external validity
In a research setting, IRB stands for: - Answer: Institutional Review Board
Following an experiment, a researcher discloses the full intent of the study to the
participant including a description of any deception that might have been used. This
best describe what process? - Answer: debriefing
Type I error occurs - Answer: when a researcher claims there is an effect caused by the
independent variable but there is not
A movie theater designer does a test to determine the effect of placement of door
hinges (left or right) on customer speed of exit. Of the following, which is a possible
confounding variable? - Answer: all of the above issues are possible confounding
variables in this test
A cockpit display designer does a study to determine how the amount of air traffic
(heavy or light) impacts pilot speed of decision making. What is the dependent variable?
- Answer: speed of decision making
1
APPHIA - Crafted with Care and Precision for Academic Excellence.
