CORRECT Answers
What does it mean for science to be "empirical"? - CORRECT ANSWER - Observations
can be measured with data, its quantifiable
What does it mean for science to be "replicable"? - CORRECT ANSWER - -The ideas of
an experiment can be tested
-The findings can replicable (done again)
SLPs' use of technology: why do we use it clinically? - CORRECT ANSWER - 1) Can
overcome listener bias
2) Receive consistent, reliable measurement
3) Describe severity of problem objectively
4) Provides biofeedback for the client
5) Tracks progress over time
6) Evidence-based practice
Pitch perception vs. frequency measurement - CORRECT ANSWER - -Frequency
measurement = how frequent a waveform repeats, measured in Hz. used to describe the physical
property of the wave
- Pitch perception = how high or low the sound is to the listener, subjective perception
Pitch perception & Frequency measurement: perceptual judgments vs. acoustic measures -
CORRECT ANSWER - - perceptual judgement (PP)= cannot be measured with
instruments, must be measured through listener ratings
- acoustic measures (Fm) =
how waveforms differ as frequency goes up or down - CORRECT ANSWER - -the
pressure changes as time goes by
, Loudness perception vs. intensity measurement: what are the different units of measurement of
intensity vs. sound pressure - CORRECT ANSWER - -Intensity measurement = measured
in d, IL and SPL
- Sound pressure = units of pressure
both measured with a sound level meter
how duration affects the loudness of brief sounds - CORRECT ANSWER - -the total
amount of energy that is transferred from a sound source to us as the listener
-the longer the sound, the more audible it will be perceived to the listener
Difference limens for frequency - CORRECT ANSWER - - the smallest change in
frequency that is detectable by a listener
- as high frequency increases, it's harder to detect the difference in pitch, so the DL will increase
with the stimulus frequency as well
-with intensity, as it decreases, the difference limen will become larger
Loudness perception - CORRECT ANSWER - - is a perceptual characteristic that is based
on the judgment of a listener
Inverse square law: how does intensity change with distance? - CORRECT ANSWER --
intensity diminishes in proportion to the square of the distance from the source
- the listener that is farther will hear 1/4 and the listener behind will hear 1/9 of the that listener
- divided by 2 squared
Voice range profile: how is it computed and what does it show? - CORRECT ANSWER -
- helps to look at the overall dynamic range of their voice
- this measures their dB range across the fundamental frequency range
-start by establishing the persons lowest fundamental frequency and their highest pitch then look
at 10 points between their min and max f0, then find their intensity at the min and max at each
pitch, plot the data, calculate the area and examine the shape