4x\' Aplia: Student Question X /servlet/quiz?ct ejoellevy-0098iquiz action takeQ

Question

4x' Aplia: Student Question X /servlet/quiz?ct ejoellevy-0098iquiz action takeQuiz&quiz; probGuid QNAPCOA80101000000baec9100a000eckem 151.2872 Attempts: Keep the Highest: 7. Interpreting statistical software output for a two-factor ANOVA AaAa Shai and colleagues (2008) conducted a study in Israel comparing three diets: a low-carbohydrate diet, a low-fat diet, and a Mediterranean diet that consists of moderate fat and a high proportion of monounsaturated fats. They found various differences between the diets, but no striking differences particularly with respect to weight loss. These results led these researchers to conclude that the Mediterranean diet and the low-carbohydrate diets are effective and safe alternatives to a low-fat diet. They suggested that selecting a diet from among these might best be accomplished by considering the individual's lifestyle, preferences, and health needs. [Shai, I., Schwarafuchs, D. Henkin, Y., Shahar, D. R., Witkow, S., Greenberg, I.,. . Stampfer, M. J. (2008). Weight loss with a low-carbohydrate, Mediterranean, or low-fat diet. New England Journal of Medicine, 359, 229-241.] Suppose you are a baciatric researcher conducting a similar study among a random sample of moderately obese volunteers in the United States. Since you believe that women and men respond to diets differently, you recruit an equal number of male and female volunteers and randomly assign them to one of three diets. You are particularly interested in differences among the three diets between men and women with respect to weight loss after 6 months. You use a statistical computing package, such as SPsS, to conduct a two-factor ANOVA. The table that follows shows the data in stacked format from the first five study participants. The column labeled "GENDER is the gender of the volunteer, where 1-female and 2 = male. The column labeled-WTLOSS" is each participant's weight loss in kilograms. The column labeled "DIET" describes which diet the participant followed, where 1low-carbohydrate, 2 low-fat, and 3 Mediterranean. IDNUM GENDER WTLOSS DIET 001 002 003 004 005 4.3 3.2 1.8 1.62 8.2 place the variables in the Fixed Factor box. You also When setting up y ace

Explanation / Answer

a) true as p-value = 0.988 > 0.05
b) false , diet is not significant as p-value = 0.092
c) gender has p-value = 0.013 < 0.05 , hence significant
d) false

only a) is correct

Please rate

Related Questions

Navigate

• Browse (All)
• Browse 4
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.