A ratio scale provides more information than does an interval scale in that it:
a. establishes an equal unit in the scale.
b. orders the scores.
c. contains a true zero point.
d. indicates categorical differences.
c
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Placement options for children with behavioral disorders range from the residential school to the general education classroom. Some segregated service-delivery models have persisted in many school systems because
a. special education teachers prefer to teach in segregated settings. b. parents of students with behavior disorders request placement outside the general education classroom. c. students reach higher levels of academic achievement in segregated settings. d. students, usually adolescents with aggressive and threatening behavior, are deemed unable to cope with the regular school environment.
In the 1970's, Benjamin Feingold and others posited a theory that linked hyperkinesis to:
a. Sugar intake of children b. Family structures c. Genetics d. Environment e. None of the above
Calculate the 95% confidence interval for a sample of N = 24 with a mean 
= 102.97 and standard deviation (s) = 9.05.
a. 95% CI = 102.97 ± 3.83 b. 95% CI = 102.97 ± 3.17 c. 95% CI = 102.97 ± 5.19 d. 95% CI = 102.97 ± 3.92
Who can serve as an important part of your support system?
a. Family b. Friends c. Professors d. All of these are important for a solid support system.