word recognition testing reliability and validity

Question 1

what is reliability

Answer 1

if we keep testing we get the same result
ability to get the same result each time you test it under the same conditions

Question 2

WRS Reliability

Answer 2

WRS at 100 and 0 have high reliability and everything in between doesn’t
affected by length of the word list you give

Question 3

what is validity

Answer 3

are we testing the thing we think we are testing

Question 4

affected by test conditions (recordings, noise, etc.)

Answer 4

validity

Question 5

Test Environment and Test Equipment Affect Word Recognition Scores
For differential diagnosis:

Answer 5

For differential diagnosis:
Monaural
Auditory only
Ensure patient is not utilizing visual cues
Ensure audibility at primary speech frequencies

one ear only
auditory only (no visual cues)
making sure it is audible at all frequencies

Question 6

what could affect reliability and validity?

Answer 6

partial word lists

Question 7

increases as sample size decreases

Answer 7

variability

Question 8

The farther the score is from % or %, the less confidence one can have in the specific score obtained

Answer 8

100% 0%

Question 9

How does speaker voice (male vs. female) affect word recognition scores?

Answer 9

we get better scores with male voices

Question 10

What does it mean when we say we are concerned about variability for WRS scores?

Answer 10

want to make sure our scores are reliable and if they are highly variable they are not useful and we are making comparisons with our score so it is not useful with high variability

Question 11

How does decreasing the size of the word list increase variability?

Answer 11

the shorter the word list the greater the variability the less reliable it is

Question 12

Regardless of list size, which of the following scores has greater or less variability? 0%; 44%; 60%; 100%

Answer 12

0 and 100 have less variability
44 and 60 are greater variability

Question 13

when is it important to give the full list?

Answer 13

more important if you got 60 or 40

Question 14

why do we use recorded materials?

Answer 14

Different voice from morning ot the afternoon
you subconsciously change your tone and enunciate more when speaking with people with HL

Question 15

Different voice from morning ot the afternoon
you subconsciously change your tone and enunciate more when speaking with people with HL

Answer 15

there is lots of variability
accents & intonations (people’s voices are different)
people forget to look at the VU meter
not standardized
unable to replicate exactly how it was presented