Why working with correlation and regression in rainfall time series if data isn't normally distributed?

Helllo. I'm working with rainfall time datasets. I've read serveral articles that use correlation and linear regression analysis. I've performed normality test to my sets and they're not normal at...

07 December 2017 5,732 5 View

Does the WCLB (White Cell Lysis Buffer) for DNA extraction need to be autoclaved?

30 August 2015 2,507 2 View

How can I get rid of the faint smear in PCR?

30 March 2015 8,583 17 View

What annealing T range to set in Touchdown PCR?

28 January 2015 8,055 3 View

Is anyone familiar with PCR reaction reproducibility?

Hi, I am trying to find the right PCR conditions for the amplification of a 190bp DNA fragment. When using the same PCR mastermix, the PCR reaction gives very good specific yield for some of the...

13 January 2015 1,309 9 View

Can anyone explain the reason why I find a lot of copepods in this way, is this some kind of reproductive or feeding behavior?

Many thanks!! Adriana

13 January 2015 6,685 4 View

What is the best strategy to identify incomple 24-h urine collection?

For metabolic evaluation of kidney stone formers 24 hours urine collections are still needed. How do you suspect 24 h urine collections are not appropriate? With a formula? Does anyone add a...

28 April 2013 5,439 3 View

how to implement LD-LogWestwood+ TCP in ns2?

I'm doing a project on Improved LD-LogWestwood+ TCP for Wireless Networks. To implement LD-LogWestwood+ I need to import some files on Westwood and modify the backend files of ns2. How to work...

01 September 2012 4,797 1 View

How to calculate pooled PFS rate?

Dear all, I have two PFS rate for two groups (i.e 71% and 82%) and would like to pooled both, in order to get one PFS rate. First, I wanted to calculate the mean (71+82/2) which is not an...

01 January 1970 8,145 2 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

What does it mean if in mediation analysis the indirect effect is significant but is a larger b value than that of the direct effect?

I understand that for partial mediation to have occured the CI for the indirect effect must not cross zero and the b value for the indirect effect should be smaller than the b value for the direct...

14 February 2021 3,273 7 View

Can we have a model where A affects B which affects C but B is not a mediator?

Please suggest any papers in Information Management area that have the model where A affects B which affects C but B is not a mediator? What is this relationship called?

13 February 2021 5,239 3 View

What is the step by step process involved in interpreting the results of mediation analysis done using PROCESS macro?

09 February 2021 7,377 2 View

Is the test of the H1 hypothesis in mediation analysis total effect or direct effect?

There are three hypotheses and I carry out direct effect and indirect effects with SEM. H1: There is a significant positive relationship between A and B. H2: There is a significant positive...

08 February 2021 9,141 3 View

Experiment or Quasi Experiment Design?

What kind of study design are we talking about? Subjects are randomly assigned to one of three groups. In addition, a moderator and a mediator are collected as continuous variables. Is this an...

15 January 2021 1,809 4 View

How do i interpret this inconsistent mediation in my results ?

Dear all and any, I have run a mediation analysis on SPSS using the PROCESS extension (model 4). My results don't really make any intuitive sense, where my ID (availability of healthy fast foods,...

09 January 2021 7,812 2 View

Can we use control variables during Structural Equation Modeling with Amos?

We want to explore a mediating relationship employing SEM with Amos SPSS. Our independent variable is attitude toward wife abuse. mediator is exposure to male marital violence, and outcome...

07 January 2021 4,481 3 View

Hi! I'm trying to interpret the correlation matrix within SPSS. I can only see correlation is significant at .01, but not at .05. How can I add this?

- All variables are continious (measure: scale) - I have added 4 variables (dependent, independent, mediator and control variable) - I'm using IBM SPSS Statistics 23 - I have used the following...

02 January 2021 1,091 2 View

How to conduct Hayes Process when serial and parallel mediation is present?

For my study I conducted, the model displayed below is used. It contains parallel and serial mediation. How do I get the results using Hayes process? I feel like I can only conduct parallel or...

28 November 2020 3,935 1 View