SHS 311 Comprehensive Resource To Help You Ace Exams Includes Frequently Tested Questions With Elaborated 100% Correct Complete Solutions Guaranteed Pass First Attempt!! Current Update!!

SHS 311 Comprehensive Resource To Help You Ace 2026-
2027 Exams Includes Frequently Tested Questions With
Elaborated 100% Correct Complete Solutions

Guaranteed Pass First Attempt!! Current Update!!



1. Objective psychophysics involves which tasks?
A. Sensory scaling and matching
B. Detection, discrimination, and recognition
C. Loudness estimation only
D. Pitch matching only
{ANSWER: B. Detection, discrimination, and recognition}
2. The goal of objective psychophysics is to measure:
A. What a listener does respond to
B. What a listener prefers
C. What a listener can respond to
D. What a listener remembers
{ANSWER: C. What a listener can respond to}
3. Subjective psychophysics involves:
A. Detection, discrimination, and recognition
B. Sensory scaling and matching
C. Method of limits only
D. Correct and incorrect responses
{ANSWER: B. Sensory scaling and matching}
4. The goal of subjective psychophysics is to measure:
A. What a listener can respond to
B. The smallest detectable level
C. What a listener does respond to

,D. The upper limit of hearing
{ANSWER: C. What a listener does respond to}
5. A task has a definite "correct" or "incorrect" answer. What type of task is this?
A. Subjective psychophysics
B. Objective psychophysics
C. Sensory scaling
D. Sensory matching
{ANSWER: B. Objective psychophysics}


Classical Methods and Thresholds
6. (SATA) Which are the classical methods of objective psychophysics?
A. Method of constant stimuli
B. Method of limits
C. Method of adjustment
D. Method of scaling
{ANSWER: A, B, C}
7. In which method does the signal level vary and the listener indicates whether
they detected the signal?
A. Method of constant stimuli
B. Method of limits
C. Method of adjustment
D. Psychometric function
{ANSWER: A. Method of constant stimuli}
8. In which method is the signal level decreased in successive steps and then
increased in successive steps, with the listener indicating at each presentation
whether they heard it?
A. Method of constant stimuli
B. Method of limits
C. Method of adjustment

,D. Method of scaling
{ANSWER: B. Method of limits}
9. In which method does the listener adjust the signal until it is just barely
detectable, and this level is the threshold?
A. Method of constant stimuli
B. Method of limits
C. Method of adjustment
D. Forced choice
{ANSWER: C. Method of adjustment}
10. Absolute threshold is:
A. The stimulus intensity that an observer can just barely detect
B. The minimum intensity change needed to notice a difference
C. The upper limit of comfort
D. The level at which masking begins
{ANSWER: A. The stimulus intensity that an observer can just barely detect}
11. Difference threshold is:
A. The stimulus intensity an observer can just barely detect
B. The minimum intensity that deviates from a constant intensity to produce a
noticeable perceptual difference
C. The level at which sound becomes painful
D. The range between two masker levels
{ANSWER: B. The minimum intensity that deviates from a constant intensity to
produce a noticeable perceptual difference}
12. What is a psychometric function?
A. A graph of percent correct (y axis) against the stimulus parameter (x axis)
B. A graph of hits against false alarms
C. A graph of ITD against frequency
D. A graph of threshold against age
{ANSWER: A. A graph of percent correct (y axis) against the stimulus parameter
(x axis)}

, 13. JND stands for:
A. Just noticeable difference, a measure for Weber's fraction
B. Joint normal distribution
C. Judged noise detection
D. Just noticeable decibel level, a measure of masking
{ANSWER: A. Just noticeable difference, a measure for Weber's fraction}


Signal Detection Outcomes
14. (Matching) Match each outcome to its description.
1. Hit
2. Miss
3. False alarm
4. Correct rejection
A. Patient says yes and the signal wasn't present (incorrect detection)
B. Patient says no and the signal was present (incorrect rejection)
C. Patient says yes and the signal was present (correct detection)
D. Patient says no and there is no signal present
{ANSWER: 1-C, 2-B, 3-A, 4-D}
15. Which statement about liberal versus conservative listeners is correct?
A. Liberals have more hits; conservatives have more correct rejections and fewer
false alarms
B. Liberals have more correct rejections; conservatives have more hits
C. Liberals have fewer hits and fewer false alarms
D. Both have identical hit and false alarm rates
{ANSWER: A. Liberals have more hits; conservatives have more correct
rejections and fewer false alarms}
16. The area under the ROC curve is:
A. A measure of bias