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Author Question: How have researchers used videotapes of children to help make the diagnosis of autistic disorder? ... (Read 36 times)

Lisaclaire

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How have researchers used videotapes of children to help make the diagnosis of autistic disorder?
 
  What will be an ideal response?

Question 2

What are the three major parts of the brain that are affected when someone takes cocaine?
 
  a) frontal lobes, medulla, and pons
   b) limbic system, medulla, and occipital lobes
   c) corpus callosum, limbic system, and thalamus
   d) cerebellum, cerebral cortex, and hypothalamus



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katheyjon

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Answer to Question 1

The most predictive behavior of autism is how seldom eye contact is made. Researchers wanted to determine if this behavioral characteristic would identify very young children who would later be diagnosed with autistic disorder. They selected videotapes of the first birthday-party for a number of children who were later diagnosed as having autistic disorder and compared them to videotapes of the parties of normal children. Raters who were unaware of the childrens' diagnoses viewed the videotapes and coded the number of times each child exhibited certain behaviors. The absence of four behaviors--eye contact, showing an object to another person, pointing to objects, and responding to their own names--could identify children who were later diagnosed as autistic with 91 accuracy. A single behavior--the number of times a child looked at another person's face--correctly classified 77 of the children into either the autistic or the nonautistic groups.

Answer to Question 2

d




Lisaclaire

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Reply 2 on: Jun 22, 2018
Gracias!


Jossy

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Reply 3 on: Yesterday
:D TYSM

 

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