A two-factor ANOVA with two independent groups variables that each have three levels requires ____ groups of participants in total. 6 4 5 9

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

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.

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.

Different levels of a factor in an ANOVA procedure is calledGroup of answer choicesa treatmenta factora partitioneither a partition or a treatment