Mary, who has trichotillomania (chronic hair pulling) is using an ABAB design to see if she pulls more hair while watching T.V. She watched T.V. during dinner for four weeks and pulled at least ten hairs a day for the four weeks. Then she left the T.
V. off for four weeks and pulled only one hair per day for the four weeks. In the next step of this design, Mary should:
a) get other participants to follow the same procedure.
b) have her mother rate how much she eats.
c) turn the TV back on for four weeks.
d) change what she eats during dinner.
Question 2
A study by Hentschel and colleagues (2005 ) of memory difficulties in a university clinic found:
a) Changes in diagnosis in less than 5 of cases with the use of MRI and neuropsychological status findings
b) Changes in diagnosis in about 10 of cases with the use of MRI and neuropsychological status findings
c) Changes in diagnosis in over a quarter of cases with the use of MRI and neuropsychological status findings
d) Changes in diagnosis with the use of neuropsychological status findings but not MRI results
guy with hair
Chronic Renal Failure
Chronic lymphedema.
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