Question 5 What is the scale of measurement for the DV...

Question 5 What is the scale of measurement for the DV (scores on the test)? Nominal Ordinal Interval Ratio 0.5 pts Question 6 0.5 pts Does there appear to be a main effect of time of day? (Note: You are not given any inferential statistics to be able to definitively determine whether there is a main effect. Examine the means and try to determine if they are different or similar to each other). Yes No

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Use the following data to answer questions 1 - 8: A researcher wishes to examine whether time of day (morning versus afternoon) affects the memory of older and younger participants. He obtains a sample of 40 older individuals and 40 younger individuals and gives them a passage to read. They are later given a test over the passage (scores on the test could range from 0 to 30). Half of the individuals are randomly assigned to read the passage and take the test in the morning, and the other half do so in the afternoon. The data are reported in the table below (the numbers represent mean test scores for each group). able[[,Morning Testing,Afternoon Testing],[Older Adults,M=15,M=8],[Younger Adults,M=20,M=18]] Question 5 0.5 pts What is the scale of measurement for the DV (scores on the test)? Nominal Interval Ratio Question 6 0.5 pts Does there appear to be a main effect of time of day? Note: You are not given any inferential statistics to be able to definitively determine whether there is a main effect. Examine the means and try to determine if they Yes No

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