Which of the following is not a step in the procedure for two-way ANOVA to test for an interaction effect, an effect from the row factor, and an effect from thecolumn factor?Choose the correct answer below.A. If the conclusion is that there is no interaction effect, then proceed to test for the effect from the row factor and the effect from the column factor.B. Begin by testing the hypothesis that there is no interaction between the two factors.C.If the P-value is small, reject the null hypothesis of no interaction. Conclude that there is an interaction effect.D. If the P-value is large, reject the null hypothesis of no interaction. Conclude that there is an interaction effect.

A two-way ANOVA test for an interaction effect, an effect from the row factor and an affect from the…

Answered: Which of the following is not a step in…

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter1: Functions

Section1.2: The Least Square Line

Problem 8E

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What is an experiment?
If the results from a two-factor ANOVA show a significant main effect for both factors, what can you conclude about the interaction between the two factors? a. There must be a significant interaction. b. There probably is a significant interaction. c. The interaction cannot be significant. d. You cannot make any conclusion about the significance of the interaction.
Which of the following statement best described about two-way ANOVA? А. The purpose of this test is to examine the factors effect on the two response variables. It has two independent variables, and the purpose of this test is to examine the interaction effect on the two response variables. В. It has two independent variables and able to test the interaction effect of the independent variables on the response variable С. It can test the interaction effect of one independent variable and one response variable. D. A В D Answer:
Answer true or false to each of the following statements and explain your answers. a. In a two-way ANOVA, if there is an interaction between Factor A and Factor B, then there must be a main effect due to at least one of the factors.b. In a two-way ANOVA, if there is no Factor A main effect and no Factor B main effect, then there can be no interaction effect between Factor A and Factor B.
Answer true or false to the following statements and explain your answers.a. If the blocking factor in a randomized block design is a random effect factor, the F-test for the effect of the treatment factor is still valid when there is interaction between the treatment and blocking factors.b. The F-test for the effect of the blocking factor in a randomized block ANOVA is still valid when there is interaction between the treatment and blocking factors.c. The presence of interaction between the treatment factor and blocking factor in a randomized block design is easy to assess from interaction plots.
Which of the independent variables retains the strongest association with the number of children a respondent has when all other variables in the model are controlled? What is that association? Which has the weakest when other variables are controlled?
A researcher conducts a two-way ANOVA to determine how eating breakfast affects children's grades in school. Factor A has three levels: no breakfast, sugary breakfast, high protein breakfast. Factor B has two levels: males and females. Factor B has no main effect and there is no interaction effect. It is safe to conclude that _________. a. Factor A does not influence the participant's grades b. Factor B does not influence the participant's grades c. Factor A has an influence on the participant's grades d. Factor B has an influence on the participant's grades Clear my choice
Researcher conducts an independent-measures, two-factor study with two levels of Factor A and three levels of Factor B, using a sample of N=10 participants in each treatment condition. a. What are the df values for the F-ratio evaluating the main effect of factor A? B. What are the df values for the F-ratio evaluating the main effect of factor B? C. what are the df values for the F-ratio evaluating the interaction?
W. Thomas Boyce, a professor and pediatrician at the University of British Columbia, Vancouver, has studied interactions between individual differences in physiology and differences in experience in determining health and well-being. Dr. Boyce found that some children are more sensitive to their environments. They do exceptionally well when the environment is supportive but are much more likely to have mental and physical health problems when the environment has challenges. You decide to do a similar study, conducting a factorial experiment to test the effectiveness of one environmental factor and one physiological factor on a physical health outcome. As the environmental factor, you choose two levels of stressful life events. As the physiological factor, you choose three levels of immune reactivity. The outcome is number of respiratory illnesses in the previous 12 months, and the research participants are kindergartners.
What does an A X B interaction mean in a two - way ANOVA? A. The affect of factor A depends on the level of factor B B. The main effects for Factors A and B must be short of significance C. There must be significant main effects for Factors A and B D. If there are significant main effects, they must be interpreted first before interpreting the interaction
A manufacturer of pens has hired an advertising agency to develop an advertising campaign for the upcoming holiday season. To prepare for this project, the research director decides to initiate a study of the effect of advertising on product perception. An experiment is designed to compare three different advertisements. Advertisement A greatly undersells the pen's characteristics. Advertisement B slightly undersells the pen's characteristics. Advertisement C slightly oversells the pen's characteristics. A sample of 18 adult respondents, taken from a larger focus group, is randomly assigned to the three advertisements (so that there are 6 respondents to each advertisement). After reading the advertisement and developing a sense of "product expectation," all respondents unknowingly receive the same pen to evaluate. The respondents are permitted to test the pen and the plausibility of the advertising copy. The respondents are then asked to rate the pen from 1 to 7 (lowest to highest) on…
A manufacturing company designed a factorial experiment to determine whether the number of defective parts produced by two machines differed and if the number of defective parts produced also depended on whether the raw material needed by each machine was loaded manually or by an automatic feed system. following data give the numbers of defective parts produced. Loading System Manual Automatic 30 30 Machine 1 34 26 20 24 Machine 2 22 28 Use a = 0.05 to test for any significant effect due to machine, loading system, and interaction. Find the value of the test statistic for machine. (Round your answer to two decimal places.) Find the p-value for machine. (Round your answer to three decimal places.) p-value = State your conclusion about machine. O Because the p-value > a = 0.05, machine is not significant. O Because the p-value > a = 0.05, machine is significant. O Because the p-value sa = 0.05, machine is significant. O Because the p-value sa = 0.05, machine is not significant. Find the…

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