COMD 5070 Exam 1 2025 Questions
and Answers
Scientific Method - --Answer --empirical, deterministic, predictive,
parsimonious
empirical - --Answer --based on data
deterministic - --Answer --obeys physical laws
predictive - --Answer --If you do this, then this will happen
parsiminious - --Answer --uses the simplest explanation possible
why use technology? - --Answer --overcome listener bias, describe severity
objectively, track progress over time, ASHA's focus on evidence-based practice,
provide biofeedback to patient
how to overcome listener bias? - --Answer --consistent, reliable
measurements
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,how to track progress over time? - --Answer --demonstrate treatment
efficacy
biofeedback example - --Answer --vizipitch- allows client to view intonation
patterns on a screen so they can see & monitor their own progress
things clinicians can do that technology can't - --Answer --understand the
numbers, examine qualitatively and quantitatively, judgments/ interpreting data
why understand technology? - --Answer --SLP needs to know normal &
disordered physiology; can only provide rational treatment if data is understood;
need to know what numbers from instruments represent; provide expert
interpretation
3 key arenas of Speech Science - --Answer --acoustic phonetics, physiologic
phonetics, speech perception
physiologic phonetics - --Answer --kinematics, aerodynamics,
electromyography
frequency - --Answer --how often a waveform repeats; measured in Hz
simplest sounds - --Answer --pure tones
complex tones - --Answer --have more than 1 sine wave (more than 1 sound
being produced together, & they blend); have many frequencies; F0 = strongest;
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
, perceived pitch follows fundamental; human voice has F0 and harmonics; auditory
system responds to all frequencies
pitch perception - --Answer --linked to frequency; order on a musical scale;
subjective perception; can't be measured w/ instruments; listener matches
perceived pitch to that of a pure tone of a known frequency
Frequency Difference Limens (DL) - --Answer --smallest detectable change
in frequency; DLs increase w/ stimulus frequency; high frequency sounds must
differ more to be heard as different in pitch; as intensity increases, DLs become
larger
Intensity of speech - --Answer --measured in dB SPL
dB SPL = - --Answer --20 (log10 PO/PR)
periodic relationship - --Answer --if frequencies in a complex tone are in a
mathematical relationship to one another such that the harmonics are multiples of
the fundamental; if not periodic, sounds jarring/ discordant
missing fundamental - --Answer --listen to a harmonic series; actual
fundamental can be absent; timbre/ quality is different; pitch is still perceived as
the same; brain processes harmonic structure & fills gap by calculation/
interpolation; cheap audio equipment- stimulated bass; AKA "residue pitch"
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
and Answers
Scientific Method - --Answer --empirical, deterministic, predictive,
parsimonious
empirical - --Answer --based on data
deterministic - --Answer --obeys physical laws
predictive - --Answer --If you do this, then this will happen
parsiminious - --Answer --uses the simplest explanation possible
why use technology? - --Answer --overcome listener bias, describe severity
objectively, track progress over time, ASHA's focus on evidence-based practice,
provide biofeedback to patient
how to overcome listener bias? - --Answer --consistent, reliable
measurements
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,how to track progress over time? - --Answer --demonstrate treatment
efficacy
biofeedback example - --Answer --vizipitch- allows client to view intonation
patterns on a screen so they can see & monitor their own progress
things clinicians can do that technology can't - --Answer --understand the
numbers, examine qualitatively and quantitatively, judgments/ interpreting data
why understand technology? - --Answer --SLP needs to know normal &
disordered physiology; can only provide rational treatment if data is understood;
need to know what numbers from instruments represent; provide expert
interpretation
3 key arenas of Speech Science - --Answer --acoustic phonetics, physiologic
phonetics, speech perception
physiologic phonetics - --Answer --kinematics, aerodynamics,
electromyography
frequency - --Answer --how often a waveform repeats; measured in Hz
simplest sounds - --Answer --pure tones
complex tones - --Answer --have more than 1 sine wave (more than 1 sound
being produced together, & they blend); have many frequencies; F0 = strongest;
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
, perceived pitch follows fundamental; human voice has F0 and harmonics; auditory
system responds to all frequencies
pitch perception - --Answer --linked to frequency; order on a musical scale;
subjective perception; can't be measured w/ instruments; listener matches
perceived pitch to that of a pure tone of a known frequency
Frequency Difference Limens (DL) - --Answer --smallest detectable change
in frequency; DLs increase w/ stimulus frequency; high frequency sounds must
differ more to be heard as different in pitch; as intensity increases, DLs become
larger
Intensity of speech - --Answer --measured in dB SPL
dB SPL = - --Answer --20 (log10 PO/PR)
periodic relationship - --Answer --if frequencies in a complex tone are in a
mathematical relationship to one another such that the harmonics are multiples of
the fundamental; if not periodic, sounds jarring/ discordant
missing fundamental - --Answer --listen to a harmonic series; actual
fundamental can be absent; timbre/ quality is different; pitch is still perceived as
the same; brain processes harmonic structure & fills gap by calculation/
interpolation; cheap audio equipment- stimulated bass; AKA "residue pitch"
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
