May I use Minimal important difference (MID) in non-normal distribution?

MID is based on Standard deviation, consequently, I should not use it in non-normal distribution. Am I right? If yes, which test may replace MID?

13 December 2020 7,573 3 View

How to formulate interview questions for Turnover Intention?

Currently, I want to gather preliminary data about turnover intentions among employee of a company using interview method. My biggest concern is with the corona pandemic, possibly each of the...

14 May 2020 768 5 View

How to choose the best smooth algorithm for your data in Origin?

I have several curves of applied potential versus electric current with hundreds of points in each of them. I am trying to analyze their first and second derivatives, but they are too noisy to...

27 April 2020 5,932 2 View

Validation study: Can I join two samples from different regions of the same country?

I applied the same questionnaire in two samples (150 and 60 participants) from different regions from Brazil. I would like to join those samples, but I can not do measurement invariance (because...

10 March 2020 3,715 7 View

Is there any protocol for the lactic acid without the use of a kit?

protocol for colorimetric assay

17 February 2020 6,924 3 View

How can I check which constraints are violated (Concert - Cplex Studio 12.10 - C++)?

Currently, I am working on the implementation of a formulation for an optimization problem, at the moment I already have the MIP formulation implemented in C++ using Cplex studio 12.10 with the...

26 January 2020 7,887 1 View

Which is the best way to assess internal consistency in a non-normal data?

The sample coefficient alpha is affected by leptokurtic true score distributions, or skewed and/or kurtotic error score distributions. Therfore, I would like to found a alternative to Cronbach's...

05 March 2019 6,757 6 View

No title

31 October 2017 867 1 View

Using the Shiller PE Ratio (Cyclically Adjusted Price to Earnings - CAPE) on capital structure theory (trade-off, pecking order and market timing)?

Shiller PE Ratio seems to fit well as a proxy to test the Market Tiiming Theory along with the Market-to-Book (M/B). Since the M/B measures the managers 'perception of the company in the market in...

12 January 2017 4,941 2 View

How to reduce an Ester to aldehyde with no alcohol formation?

I'm using a procedure that uses morpholine and DIBAL-H. First I make the complex intermediate of the aluminum (1eq of DIBAL) with the morpholine (1eq) by stirring them for 3 hours. Then, I add my...

31 August 2016 5,531 21 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Have someone successfully used the ER alpha (Santa Cruz sc-8002) antibody in immunostaining ?

Santa Cruz now recommends this new antibody (F-10) but I can't find a publication using this reference. I'm working on human et non human primate hypothalamus and so far, it doesn't work. Is...

02 March 2021 10,003 2 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

In frequency domain alpha band(8-16hz), beta band(16-32hz), gamma band(32-64hz), sub-band(64-128hz) are same as LL,LH,HL,HH in wavelet decomposition?

I am working on single trial motor imagery data i.e. EEG data. I am following a paper which has a dataset from BCI challenge IV (dataset 2b). After removing noise and extracting all the data from...

23 February 2021 5,503 1 View