QUESTION 44Consider the following outcome matrix for a study that investigated the effect of drug dose and age of the patient on some dependentvariable.DRUG DOSEPlaceboLowHighChild105AGE Teen101015Adult101510In terms of our original discussion of the concept "significance": Specify which factors are significant.O None of themO Drug dose aloneO Age aloneO Age and the interaction of Age and Drug DoseO Just the interaction of Age and Drug DoseQUESTION 45Save AClick Save and Submit to save and submit. Click Save All Answers to save all answers.3325 Chapter 11.pptx3325 Chapter 1.pptxP3325 Chapter 14.pptx3325 Chapter 1.pptx

First, we are going to test, by using a two-way ANOVA method, whether there exists any difference…

Consider the following outcome matrix for a study that investigated the effect of drug dose and age of the patient on some dependent variable. DRUG DOSE Placebo Low High Child 10 5 5 AGE Teen 10 10 15 Adult 10 15 10 In terms of our original discussion of the concept "significance": Specify which factors are significant. None of them O Drug dose alone Age alone O Age and the interaction of Age and Drug Dose O Just the interaction of Age and Drug Dose

Consider the following outcome matrix for a study that investigated the effect of drug dose and age of the patient on some dependent variable. DRUG DOSE Placebo Low High Child 10 5 5 AGE Teen 10 10 15 Adult 10 15 10 In terms of our original discussion of the concept "significance": Specify which factors are significant. None of them O Drug dose alone Age alone O Age and the interaction of Age and Drug Dose O Just the interaction of Age and Drug Dose

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Study 2: Pill Appearance and Perceived Pain. Does the shape or color of a pain pill influence its effectiveness? Although logically it shouldn’t, whether we believe a drug will work does have a powerful effect on our perceptions (e.g., placebo effect). In this experiment, 4 groups of adult patients were given the same amount of Advil after dental surgery for pain relief, but the color and shape of the pill varied. Researchers hypothesized that an unusual shape or color would lead people to believe the pills were new and special and thus would expect them to be more effective than common round, white pills. Researchers also wanted to know if there is an interaction between shape and color Data Labels ShapePill {1=Round; 2=Diamond} ColorPill {1=White; 2=BlueGreen} Gender {0=Woman; 1=Man; 2=Nonbinary person) Descriptions of the Variables and Descriptive Statistics: Referring to the JASP output, and using sentences, present the descriptive statistics of each group: for example:…
Mr. Acosta, a sociologist, is doing a study to see if there is a relationship between the age of a young adult (18 to 35 years old) and the type of movie preferred. A random sample of 93 adults revealed the following data. Test whether age and type of movie preferred are independent at the 0.05 level. Person's Age Movie 18-23 yr 24-29 yr 30-35 yr Row Total Drama 7 13 14 34 Science Fiction 11 11 8 30 Comedy 8 10 11 29 Column Total 26 34 33 93 (A) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)
Data management
The type of study that allows us to draw firm conclusions about the cause-and-effect relationship between two variables is a(n): a. experimental or quasi-experimental design b. experimental design c. correlational or quasi-experimental design d. correlational design
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2. A researcher had rats engage in a lever-press task for either a small, medium, or larger reward. The number of lever presses was the dependent variable. The data were as follows: Reward Size Small Medium Large 1 4 6 4 3 5 1 4 4 2 5 T = 13 SS = 2.75 T= 6 T= 20 SS = 9 SS = 2 EX2 = 165 a. Do the data indicate that reward size had a significant impact on lever-pressing? Use the hypothesis testing steps & p = .05. Compute any necessary post-hoc tests. b. Compute eta-squared to measure the effect size.
When two independent variables produce effects when combined that would not be present if each independent variables was manipulated in a separate study, we say that there is O no main effect. O only a measured variable an interaction. O a planned comparison. rist and Stangor (2001) studied prejudice and found that you can't predict a person's behavior toward minorities on the basis of whether they are high or low
Mr. Acosta, a sociologist, is doing a study to see if there is a relationship between the age of a young adult (18 to 35 years old) and the type of movie preferred. A random sample of 93 adults revealed the following data. Test whether age and type of movie preferred are independent at the 0.05 level. Person's Age Movie 18-23 yr 24-29 yr 30-35 yr Row Total Drama 9 13 12 34 Science Fiction 9 8 13 30 Comedy 10 8 11 29 Column Total 28 29 36 93 n USE SALT (a) What is the level of significance? State the null and alternate hypotheses. O Ho: Age and movie preference are independent. H: Age and movie preference are not independent. O Ho: Age and movie preference are independent. H,: Age and movie preference are independent. O Ho: Age and movie preference are not independent. H,: Age and movie preference are not independent. O Ho: Age and movie preference are not independent. H: Age and movie preference are independent. (b) Find the value of the chi-square statistic for the sample. (Round the…