Question 8A one-way within-groups ANOVA is the appropriate test for which of the following independent variables?1 pointType of diet, with participants consuming either a vegan, Mediterranean, or raw food dietType of test, with half of participants assigned to a multiple-choice test and half assigned to short-answer testDistraction conditions, including the same individuals with no distraction, a visual distraction, and an auditory distractionReading time, measured in minutes

In which one of the following situations would it be most appropriate to use an ANOVA to analyze the data? In order to determine the effectiveness of different diet plans, 90 people are randomly assigned to one of three groups: (1) low calorie diet, (2) low-fat diet, or (3) low-carb diet. At the end of 60 days, the number of pounds lost was recorded for each of the participants. A researcher is interested in determining the most effective format for advertising. He randomly assigns 60 people to one of three groups: (1) television commercial, (2) radio commercial, or (3) magazine advertisement. Group members review the commercial and then report whether or not they would buy the product.

Which of the following is an example of a one-way ANOVA test?a.)Comparing the number of hours of sleep between children and teenagers.b.)Comparing the monthly incomes of residents who live in urban and suburban areas.c.)Studying the number of hours of sleep for teenagers, adults, and senior citizens.d.)Studying the number of hours slept as well as the average GPAs for middle school, high school, and college students.

The two-way ANOVA compares the ____ differences between groups that have been split into two independent variables.

Question 7Select the research example for which a one-way between-groups ANOVA would be the appropriate test.1 pointResearchers want to test for a difference in memory scores before and after a new memory technique is introduced.Researchers want to examine the relationship between the number of class absences and final course grade.Researchers compared the mean difficulty rating of math problems among groups of participants who experienced a positive stressor, a negative stressor, or no stressor, respectively.College administrators are interested in whether high school GPA predicts college GPA.

A dietician wants to see if there is any difference in the effectiveness of three diets. Eighteen people, comprising a sample, were randomly assigned to the three diets. Below you are given the total amount of weight lost in a month by each person. Diet ADiet BDiet C141225181032202218121214201617181214 What would you advise the dietician about the effectiveness of the three diets? Conclude at .05 level of significance. (Anova Single Factor) Group of answer choicesConclude that the diets are not equally effective.Conclude that the diets are equally effective.