Describe the study Mary might plan where she would use a one-way analysis of variance (ANOVA) for independent groups instead of a t-test to study differences between noise levels. 1. What is her independent variable here?
2. Describe the conditions she could create for this study. What is her dependent variable?
3. Describe a way to measure the DV so that each participant would have one score at the end that would be on a continuous scale of measurement.