In an experiment, one group of research participants is given 10 pages of material to proofread for

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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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Methods in Behavioral Research

ISBN: 978-0078035159

11th Edition

Authors: Paul C. Cozby, Scott C. Bates

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