Blatchley Chapter 16 Quiz

Blatchley Chapter 16 Quiz

. Jasmine would like to find out if there is an interaction in the frequency of two separate events occurring. Which test should she use?

. Select the option that contains a parametric test:

. Select the option that contains a non-parametric test:

. Which of the following is true?

. Fanny would like to know if there is a negative relationship between two variables. Her data is ordinal. What test should she use?

. Stephanie is conducting a poll on individuals who are at the voting station. She wants to find out if there is an interaction between gender and voting choice. She hypothesizes that female voters prefer Candidate A, while male voters prefer Candidate B more so than female voters. She should use:

. Bonny would like to find out if apple or oranges are the more popular fruit at a grocery store. She collects data on the number of people who buy apples or oranges. What test should Bonny use?

. If your research question is to find out the relative position of your score to the rest of the class, what test should you use, assuming that you know the class mean and standard deviation?

. Morgan wants to compare the means of the two groups in her study. If those two groups were matched and contain ratio data, then Morgan should use...

. Faye studies the effect of reading on word learning. She recruits 30 students and randomly assigns each of them to a condition where they read for an hour every day, or play a tablet game for an hour every day. After 2 months, she gives them a vocabulary test. Faye wants to know if the test scores for the two groups are different. What test should she use?

. Marie is studying the effects of pollution on academic achievement in young children. She collects the grades of 50 children in a polluted city. If she knows the average grade of similar children in the country but not the standard deviation, what test should she use to determine if there is a difference in grade between her sample and the rest of the children in the country?

. Which test listed below allows you to examine the effects of an independent variable on the dependent variable at different levels of another independent variable?

. Which of the following tests require you to know population parameters?

. If your outcome variable is frequency, which of the following tests should you use?

. If your outcome variable is ordinal, which of the following tests is not suitable for use?

. Faye is studying the effects of sugar consumption on mental wellbeing. She randomly assigns her participants to a low-sugar diet, a normal diet, or a high-sugar diet. After a week, she assesses their mental wellbeing using a questionnaire. Faye would like to find out if there is a difference between these three groups. What test should she use?

. Stacy is studying the effects of meditation on prosocial behavior in children. She recruits ten sets of twins and assigns one twin in each pair to meditate for twenty minutes each day. The other twin is told to read a book for twenty minutes each day. Stacy asks the caregiver of each set of twins to fill in a diary recording the prosocial behavior exhibited by each child. Stacy wants to compare the number of prosocial behaviors exhibited by children who meditated as compared to children to read a book. What test should Stacy use?

. Which of the following tests makes the assumption that the central limit theorem is true?

. For which of the following tests would you need to know the most population information?

. Germaine would like to compare her observed sample mean to the population mean. However, she does not know the population standard deviation. What test should Germaine use?

. Which of the following tests do not assume an underlying distribution?

. Harold would like to find out if there is an association between the number of energy drinks students consume and their positive moods as measured by a mood questionnaire. What test should Harold use?

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Ellen is studying the effects of disgust on prosocial behavior in young children and adults. She recruits 20 children and 20 adults, and assigns half of each age group to either experience no disgust (control) or have disgust induced by viewing a rotting banana. After which, Ellen asks each subject how much money they are willing to donate to a charity. Ellen hypothesizes that children's prosocial behavior will be more sensitive to disgust than adults' prosocial behavior. What test should Ellen use?

. Which of the following tests would you conduct for data that is best represented with a scatterplot and trend line?

. Jorge correctly uses the one-way ANOVA for his study. Which of the following statements must be true?

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