High levels of antioxidants have what effect on the progression ...

[tingc95]

High levels of antioxidants have what effect on the progression of Alzheimer's disease?
 
  a. Slow though not stop
  b. Stop
  c. Speed up
  d. No effect whatsoever

Question 2

Which of the following is an example of a single-subject design?
 
  a. A teacher working with an autistic child tries an intervention, sees improvement, then stops the intervention, and sees the improvement disappear. She then re-introduces the intervention and again sees improvement, and then stops it and sees the improvement again go away.
  b. A therapist intensively studies a person with multiple personality disorder, collecting a rich set of data on their childhood, background, parents, and other details.
  c. A researcher studies anxiety disorders, and only anxiety disorders. He excludes all other subjects from the content of his research.
  d. All of these are single-subject designs.

[Jmfn03]

Answer to Question 1

a

Answer to Question 2

a

[tingc95]

TYSM

[elyse44]

Excellent