# MATH 1005 Week 11 Test.docx - Question 1 In a factorial...

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Question 1 In a factorial design with two factors, if the effect of one factor appears to depend on the levels of the second factor, this is calleda. An interaction effectb.A main effectc. A factorial effectd.An error
1 points Question 2 A study found that 50 pedestrians gave more money to a street beggar if the beggar had a cute and hungry-looking dog with them compared to if they were alone. The gender of the pedestrians was also noted. Which of the following sentences describes a simple effects analysis on these data?
1 points Question 3 Simple effects analysis looks at:
1 points Question 4 A study was conducted to look at whether caffeine improves productivity at work in different conditions. There were two independent variables. The first independent variable was email, which had two levels: ‘email access’ and ‘no email access’. The second independent variable was caffeine, which also had two levels: ‘caffeinated drink’ and ‘decaffeinated drink’. Different participants took part in each condition. Productivity was recorded at the end of the day on a scale of 0 (I may as well have stayed in bed) to 20 (wow! I got enough work done today to last all year). Looking at the group means in the table below, which of the following statements best describes the data?Decaffeinated DrinkCaffeinated DrinkNo Email12.0819.83Email11.985.49
1 points Question 5 An experiment was done to look at whether there is an effect of the number of hours spent practising a musical instrument and gender on the level of musical ability. A sample of 30 (15 men and 15 women) participants who had never learnt to play a musical instrument before were recruited. Participants were randomly allocated to one of three groups that varied in the number of hours they would spend
practising every day for 1 year (0 hours, 1 hours, 2 hours). Men and women were divided equally across