Concept explainers
The stimulant Ritalin has been shown to increase attention span and improve academic performance in children with ADHD (Evans et al., 2001). To demonstrate the effectiveness of the drug, a researcher selects a sample of
a. Is this result sufficient to conclude that Ritalin significantly improves attention span? Use a one-tailed test with
b. Compute the 80% confidence interval for the mean change in attention span for the population.
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Chapter 11 Solutions
Statistics for The Behavioral Sciences (MindTap Course List)
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill