Respond to chapter 5 comprehension question 12 In Warner (2013, p. 217). Suppose that a student conducts a study in which the manipulated independent variable is the level of white noise (60 vs. 65 dB). Ten participants are assigned to each level of noise; these participants vary widely in age, hearing acuity, and study habits. The outcome variable is performance on a verbal learning task (how many words on a list of 25 words each participant remembers). The t value obtained is not statistically significant. What advice would you give to this student about ways to redesign this study that might improve the chances of detecting an effect of noise on verbal learning recall?
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