A standard deviation that has a value of 0 is best explained by which of the following statements?
A. Data points are distant to the mean.
B. Data points equal the mean.
C. All the scores are the same.
D. Data points are close to the mean.
Answer: C
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A. Equal to B. Smaller than C. Larger than D. Twice
The DSM-V (2013) added this new symptom to the criteria for diagnosing autism spectrum disorders
a. social impairment b. language/communication impairment c. hyper- or hypo-reactivity to sensory input d. repetitive/restricted behaviors
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Explain why the social history of special education is important for pre-service and in-service teachers
What will be an ideal response?