In an experiment, one group of research participants is given 10 pages of material to proofread for
Question:
In an experiment, one group of research participants is given 10 pages of material to proofread for errors. Another group proofreads the same material on a computer screen. The dependent variable is the number of errors detected in a 5-minute period. A .05 significance (alpha) level is used to evaluate the results.
a. What statistical test would you use?
b. What is the null hypothesis? The research hypothesis?
c. What is the Type I error? The Type II error?
d. What is the probability of making a Type I error?
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a Ttest b Null The population means of the noncomput...View the full answer
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Related Book For 
Methods in Behavioral Research
ISBN: 978-0078035159
11th Edition
Authors: Paul C. Cozby, Scott C. Bates
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