What is the Objective/Purpose of "Degrees of Freedom", other than adjusting for "Sampling Error"? Could anyone explain me?

Many articles, you tube lectures are stating that the concept "Degrees of Freedom" is used to adjust the Mean of the Sample to the Population, in order to eliminate Sampling error. In the...

04 May 2018 4,372 0 View

Dear Group Members, could anyone please provide me the details of "Salivary Cortisol test" centers in India?

As a part of my research, I am going to conduct, "Salivary Cortisol test". In my study, there are about 250 Saliva samples, on which, I should conduct Salivary Cortisol test. So, I am searching...

08 September 2017 2,542 0 View

How to calculate the value of "Exogenous/Endogenous variable" in the "Measurement model" of Structural Equation Model?

Good Evening to Dear Group members. Could anyone please answer my doubt, about the calculation of the value Exogenous/Endogenous variables in the Measurement model? We can calculate the "Beta...

05 June 2017 7,759 2 View

Dear Group members, Could you suggest any good book to learn about "Multilevel Structural Equation Modeling"?

05 June 2017 6,272 4 View

Sample size Determination for Multilevel Modelling (or) Hierarchial Linear Modelling?

03 April 2017 8,932 2 View

What is the purpose of Mean Centering? Other than removing Zero value, from the data of X (IV). are there any reasons to perform the Mean centering?

What is the purpose of Mean Centering? It is evident that it removes the illogical understanding when X (Independent variable) is zero. But are there any other main reasons to perform the Mean...

03 April 2017 9,171 2 View

How to avoid the "Abstract" in the "References section", while citing the references through Endnote?

While citing the references through "Endnote", in the "bibliography section", the "Abstract of the article" is copied along with the "References". Could anyone help me out to avoid the Abstract...

02 March 2017 2,213 0 View

How to differentiate the section "Introduction of the study" from "Need of the study"? Is there any good article (or) book, that can guide?

Dear All, Is there any book, that clearly explains about the contents that are present in the section "Introduction to the study", "Need or purpose of the study", "Research Gaps", "Research Aims",...

02 March 2017 4,218 0 View

Moderator is a variable that influences the relationship between both IV & DV. So, does that mean, "Moderator influences both IV & DV simultaneously"?

01 February 2017 4,193 0 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 3 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

How can I set up a good fit SEM model in AMOS?

I am trying to make an SEM model in AMOS for my dissertation but having some trouble with getting a good fit. I am looking for relationships between self-efficacy reported on a Likert scale and...

26 February 2021 8,642 4 View

How to handle studies which report perfect effect sizes in a meta-analysis using Pearson's r?

I'm in the process of updating a meta-analysis and in one of the new studies, effect sizes are reported as Tau-U. Two of the effect sizes are reported as Tau-U = 1.00. I am using Andy Field's...

24 February 2021 2,265 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

How can I generate random samples from Bingham distribution in R? How can I construct those symmetric matrices?

in the function rbingham(n,A) in R software how can I construct that A (symmetric) matrix?

24 February 2021 3,528 3 View