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Lab 7 One Way ANOVA

Lab 7 One Way ANOVA

Q Answer ALL questions to receive full credit. Please type answers in RED text. Lab #7: One Way ANOVAs Scenario: An experimental psychologist measures the number of errors made by rats running through a complicated maze as a function of drug dosage. The following data is obtained: Number of Errors for Various Drug Doses .05ml: 11, 10, 12, 14, 9 .10ml: 9, 7, 8, 10, 11 .15ml: 5, 4, 4, 8, 10 .20ml: 7, 3, 5, 3, 5 1. Based on the data above, answer the following questions. a. What is your Independent Variable (IV)? _ b. How many levels of your IV (factor)? c. What is your Dependent Variable (DV)? Refer to the demonstration video for help interpreting SPSS output. Please note, the video uses different data. You will need to open the Lab 7 SPSS Output to answer the following questions. 2. Was this ANOVA analysis significant? (Y/N) 3. Interpret this finding (write your results in APA style). This means write a sentence summarizing findings and report the F statistic, degrees of freedom, and p value: F(df???, df???)=???, p<???). Remember there are two df to report! 4. What does ANOVA stand for?

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a. What is your Independent Variable (IV)? __Drug Dosage_________________ b. How many levels of your IV (factor)? _____4__________________ c. What is your Dependent Variable (DV)? _____Number of Errors_____2. Was this ANOVA analysis significant? (Y/N) ___Yes_____________ 3. Interpret this finding (write your results in APA style). This means write a sentence summarizing findings and report the F statistic, degrees of freedom, and p value: F(df???, df???)=???, p