Analyse data using anova, Macroeconomics

A scientist postulates that grazing by gastropod snails affects the settlement of Spirorbid worms in estuaries. She sets up a manipulative experiment to test this by using cages to exclude grazers, and she repeated the whole experiment three different times. The full experimental design had the following factors:

Factor 1: Treatment, 3 levels (open surfaces, caged surfaces and a procedural control consisting of a partial cage), fixed;

Factor 2: Time, 3 levels, random, crossed with factor 1;

Factor 3: Sticks, 3 levels, random, nested in Treatment and also nested in Time

She counted the number of Spirorbid worms settling after a period of 6 months on each of n = 4 replicate panels per combination of the above factors. Data are given in the file "Spirorbids.txt".

a. Analyse these data, using ANOVA, using the full model associated with the above experimental design. Summarize your conclusions from this study as you would for a scientific journal.

b. What is a "mixed model"?

c. Which term in the above model yields a test of generality of effects of treatments among the three different trial runs?

d. Which term in the model yields a test of consistency in the overall direction of the effects of treatments across the three different trial runs, even in the presence of a potentially significant interaction with Time?

 

Posted Date: 2/26/2013 1:43:09 AM | Location : United States







Related Discussions:- Analyse data using anova, Assignment Help, Ask Question on Analyse data using anova, Get Answer, Expert's Help, Analyse data using anova Discussions

Write discussion on Analyse data using anova
Your posts are moderated
Related Questions
Commercial Banks: Balance Sheet The accompaning table gives the balance sheet of a commercial bank in a simplified format. The balance sheet contains particulars of a Bank's cu

what are the types of exchange rate

if govtment face cost push inflation which policy govtment should take to control inflatoin?

Q. Money market with inflation and constant money supply growth? If π M = π and π e = π, both IS- and LM-curve will be fixed.  Figure: The money market with inflatio

Sustainability of Current Account Deficit: Theoretically speaking, a current account deficit can be sustained as long as the growth rate of national income exceeds the rate of

what does phillip curve signify? how do you reconcile the difference in the shap of the curve in the short run and the long run?

1. Suppose the demand for a product is given by QD = 2000 - 25P. a) Calculate the Price Elasticity of Demand when the price is $30. b) What price should the firm charge if it

The _______________ illustrates the notion of opportunity cost. If an economy is fully utilizing its resources, it can produce more of one product only if it produces less of anoth

What do you mean by Gross Domestic Product? Gross Domestic Product (GDP): It measures the value of economic activity which is output produced, into the geographical bound

This problem involves the question of computing change for a given coin system. A coin system is defined to be a sequence of coin values v1 (a) Let c ≥ 2 be an integer constant