A researcher created three groups based on participants BMI: normal weight, overweight and obese. The hypothesis...
A researcher created three groups based on participants BMI: normal weight, overweight and obese. The hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. Which statistical test might the researcher use, assuming a reasonable normal distribution of values? Group of answer choices One way ANOVA A chi-squared test An independent group t test A repeated measures ANOVA
Homework Answers
Here we are having more than two groups to compare the means and we have quantitative data so we will use One way ANOVA
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A researcher created three groups based on participants BMI:
normal weight, overweight and obese. The hypothesis...
Question 25 2 pts A researcher believes that recall of verbal material differs with the level...
Question 25 2 pts A researcher believes that recall of verbal material differs with the level of processing. He divided his subjects into three groups and manipulated the level of processing they used when learning a list of words. In the 'low processing group, participant read each word and were instructed to count the number of letters in the word. In the "medium processing group, participants were asked to read each word and think of a word that rhymed. In...
In a study of 380 diabetics and nondiabetics, patients were classified as underweight, normal weight, overweight and obese according to their diabetes status. The probability of being normal weight is...
In a study of 380 diabetics and nondiabetics, patients were classified as underweight, normal weight, overweight and obese according to their diabetes status. The probability of being normal weight is 0.31 and the probability of having diabetes is 0.39. If you select two individuals from the population, the probability of being diabetic and normal weight is 0.09. What is the probability that either of the two randomly selected individuals (or both) will be diabetic or normal weight? a. Pr (diabetic...
Researchers randomly assigned 322 moderately obese volunteers to one of three diets to study how ...
Researchers randomly assigned 322 moderately obese volunteers to one of three diets to study how the diets compare with respect to various outcomes such as weight loss, lipid profiles, blood pressure, and other indicators of health and metabolic function. The three diets included a low-carbohydrate diet, a low-fat diet, and a Mediterranean diet that consists of moderate fat and a high proportion of monounsaturated fats. All study participants worked at the same research center in Israel, where lunch (the main...
Problem 3 Weight reduction is an important goal for the management of type 2 diabetes (T2D)...
Problem 3 Weight reduction is an important goal for the management of type 2 diabetes (T2D) among overweight patients. A 2016 study evaluated the effect of oat intake (a cereal grain) for overweight T2D patients. A total of 298 overweight T2D subjects (BMI of at least 24 kg/m2) were randomly assigned to follow one of 4 dietary guidelines for 30 days, as shown in the diagram below. The two “oats” groups ate the same healthy diet as the “diet" group,...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...
Question 25 2 pts A researcher believes that recall of verbal material differs with the level of processing. He divided his subjects into three groups and manipulated the level of processing they used when learning a list of words. In the 'low processing group, participant read each word and were instructed to count the number of letters in the word. In the "medium processing group, participants were asked to read each word and think of a word that rhymed. In...
Researchers randomly assigned 322 moderately obese volunteers to one of three diets to study how the diets compare with respect to various outcomes such as weight loss, lipid profiles, blood pressure, and other indicators of health and metabolic function. The three diets included a low-carbohydrate diet, a low-fat diet, and a Mediterranean diet that consists of moderate fat and a high proportion of monounsaturated fats. All study participants worked at the same research center in Israel, where lunch (the main...
Problem 3 Weight reduction is an important goal for the management of type 2 diabetes (T2D) among overweight patients. A 2016 study evaluated the effect of oat intake (a cereal grain) for overweight T2D patients. A total of 298 overweight T2D subjects (BMI of at least 24 kg/m2) were randomly assigned to follow one of 4 dietary guidelines for 30 days, as shown in the diagram below. The two “oats” groups ate the same healthy diet as the “diet" group,...
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