Problemset
Title
Chapter 2 Quiz
Introductory
Text
Question 1
Type:
Multiple Choice
Question 2
Type:
Multiple Choice
Signal detection theory states that that there are two discrete states of the world,
resulting in which four possible classes of joint events?
Hint:
Feedback for
all
incorrect
answers:
The Signal Detection Paradigm - p. 9
Answer
Graded As
Hits, noise, signals, misses
Incorrect
Correct rejection, incorrect rejection, noise, signals
Incorrect
Hits, false alarms, misses, correct rejections
Correct
Response, state, signal, correct rejection
Incorrect
Feedback
The formula for optimum beta defines where beta should be set, determined by
________.
Hint:
Feedback for
all
incorrect
answers:
Signal Detection Theory - p. 13
Answer
Graded
As
the ratio of the probability with which noise and signals
occur in the environment
Correct
the ratio of probabilities of X given signal and noise
Incorrect
which placement produces the fewest errors in the long
run
Incorrect
Feedback
aggregated sensory evidence concerning the presence or Incorrect
absence of a signal
Question 3
Type:
Multiple Choice
The alternative name for the receiver operating characteristic (ROC) curve is
________.
Hint:
Feedback for
all
incorrect
answers:
The ROC Curve - p. 16
Answer
Graded As
integral dimensions
Incorrect
standard normal curve
Incorrect
bowed curve
Incorrect
isosensitivity curve
Correct
Feedback
Question 4
Type:
Multiple Choice
When using fuzzy logic to determine membership in a set, ________ is used to
describe the degree of membership in that set.
Hint:
Feedback for
all
incorrect
answers:
Fuzzy Signal Detection Theory - p. 19
Answer
Graded As
signal function
Incorrect
mapping function
Incorrect
crisp definition
Incorrect
event membership values
Correct
Feedback
Question 5
Signal Detection Theory provides an explicit mechanism for ________.
Hint:
Type:
Multiple Choice
Feedback for
all
incorrect
answers:
Question 6
Type:
Multiple Choice
Question 7
Type:
Applications of Signal Detection Theory - p. 21
Answer
Graded As
separating sensitivity from bias
Correct
determining the best course of action
Incorrect
diagnosing medical abnormalities
Incorrect
detecting abnormal signals
Incorrect
Feedback
Which automation error is more likely to occur in an alarm system if the alert
threshold or response criterion (beta) is set low?
Hint:
Feedback for
all
incorrect
answers:
Applications of Signal Detection Theory - p. 23
Answer
Graded
As
Random variability may generate a false alarm.
Correct
Random variability may cause a miss, or undetected
signal.
Incorrect
Random variability may provide multiple alerts from
different sources.
Incorrect
Non-random variability will produce more correct
rejections.
Incorrect
Feedback
Which of the following is NOT an influence on sensitivity to signals, resulting in
vigilance decrement?
Hint:
Multiple Choice
Question 8
Type:
Multiple Choice
Feedback for
all
incorrect
answers:
Answer
Graded As
Reduction in signal strength
Incorrect
Uncertainty about time or location
Incorrect
Decrease in the event rate
Correct
Successive tasks
Incorrect
Type:
Multiple Choice
Feedback
This technique was used by Fisk and Schneider to train subjects to respond
consistently and repeatedly to target elements, making the target stimulus "jump
out" of the train of events.
Hint:
Feedback for
all
incorrect
answers:
Question 9
Vigilance - p. 26
Vigilance - p. 29
Answer
Graded As
Incorporating confidence levels
Incorrect
Increasing target salience
Incorrect
Automatic processing
Correct
Shamatha meditation training
Incorrect
Feedback
The amount of information transmitted by the human operator to the response is a
quantity designated as ________.
Hint:
Feedback for
all
incorrect
answers:
Absolute Judgment - p. 32
Answer
Graded As
HS
Incorrect
SH
Incorrect
HT
Correct
TH
Incorrect
Feedback
Question 10
When the height and width of rectangles are positively correlated _________.
Hint:
Type:
Multiple Choice
Feedback for
all
incorrect
answers:
Absolute Judgment - p. 38
Answer
Graded
As
different size rectangles of a constant shape are created
Correct
Feedback
emergent features are produced
Incorrect
classification performance is better than when
dimensions are negatively correlated
Incorrect
separable dimensions are created
Incorrect