Exam 15: Intellectual Disabilities and Autism Spectrum Disorders

The cutoff score for intellectual disability is approximately two standard deviations below the mean.If IQ scores were normally distributed,this would mean that approximately _____ percent of the population would fall below this cutoff?

IQ tests were originally designed to

What evidence do psychologists put forth in support of the validity of intelligence tests?

Even though more than 2.3 percent of people have IQs below the 70 cutoff,only about 1 percent of the population has an intellectual disability.The prevalence of intellectual disability is lower than the prevalence of low IQs because

Which child is most likely to show a significant change in IQ score if retested five years later?

________ fire when a person performs an action and also when the person observes somebody else performing the action.

What is the current evidence regarding the value of secretin as a treatment for autism?

In statistical calculations,the square root of the variance is called the

Recent theorizing as to the cause of ASD has looked at the functioning of __________ neurons that fire both when an individual performs an action and when the individual observes another performing the same action.

Even though more than 2.3 percent of the population has IQs below 70,only about 1 percent of people are diagnosed as having intellectual disability at any one point in time.Explain this discrepancy.

What is meant by a "theory of mind" as it applies to autism,and how can it be illustrated?

Due to a U.S.Supreme Court ruling that death constitutes "cruel and unusual punishment" for people with intellectual disabilities,an IQ score of 69 rather than 70 can mean

A researcher is describing a theory of the interaction of genes and the environment on intelligence and uses the term "reaction range." Which of the following is an example of this concept?

What is savant performance?

You are attempting to design ways of observing young children that predict an increased risk for autism.Based on recent NIMH research,you would look for

Which of the following occurs only in females?

What can a caretaker do to diminish the intellectual disability associated with PKU?

Alfred Binet and Theophile Simon developed the first intelligence test in 1905 in response to a request by the French government to identify

Approximately _____ percent of children with classic autism remain mute.

Which of the following is an example of the eugenics movement in the United States?