Sample Size for Quasi-Experimental Quants using one-tailed t-test?

Hi, sorry I'm stumped. I'm going to do a study on the leadership styles (using the MLQ Form 5X) of minority women administrators in medical schools. How will I calculate the sample size? Thank...

30 January 2021 2,865 4 View

Why my ladder bands are not properly stained?

Hi. I am doing an agarose gel electrophoresis. After running PCR samples in a 2% agarose gel at 90V x 45' I obtained the results in the image. The ladder bands are not properly stained. For...

14 January 2021 2,316 4 View

How can I obtain the cohesive energy density and solubility parameter for a crystal using the Materials Studio software?

Hello, I am currently analyzing properties of some minerals such as Bi2O3 by MD using Materials Studio, I need to obtain the cohesive energy density (CED) to obtain the solubility parameter,...

02 November 2020 4,356 1 View

Publications and tools about machine learning applications for generating UIs?

I'm starting working on generating web apps UIs automatically applying machine learning methods. I recently read about pix2code and code2pix, which are in the line of what I want to do. Do any of...

30 August 2020 567 2 View

Sampling considerations for microplastics in soil?

Dear peers, It would be much appreciated if you could suggest papers or reports that emphasize the sampling considerations for microplastics in soil/terrestrial/agricultural environments. Thanks!

27 August 2020 8,710 5 View

Does the contact of graphite with electrolyte affect in Charge discharge galvanostatic ?

I have a Graphene hydrogel (GH) and I pressed onto graphite with about 100MPa. The GH is just in one side of graphite support. When I did charge discharge galvanostatic of GH, the back of graphite...

13 August 2020 2,661 1 View

Will making a hydride acceptor more electrophilic speed up hydride transfer?

I have been searching the literature about this and I have not found an answer. If the atom that accepts a hydride is made more electrophilic, can this speed up the rate of hydride transfer?

29 July 2020 9,944 1 View

Can the energy displayed in Gaussian Calculation Summary be used to compare the stability between molecules?

I want to compare the stability of molecules that have the same number of atoms. I optimized these structures and calculated their vibrational frequencies. Gaussian09 gives a Gaussian Calculation...

18 July 2020 5,243 5 View

In ABAQUS, how to obtain the total tension in bolts?

Hello every one, I'm running a model on bolted T-stubs. Once the analysis is completed, how can I get the value of the total tension in the bolts? Thanks for your attention.

17 July 2020 1,770 2 View

Is this some type of contamination or just clustered dead cells?

I have few experience working with AN3CA cells. I seeded single cells in a 96 well plate and many of the wells have these structures and they are found with or without colonies of AN3CA that came...

09 May 2020 8,725 1 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

How to find if Qualitative and Quantitative (discrete) variables have a relation?

I'm going to do a brief research about the dependance between the number of cases of Covid-19 and sex( male/female) . One of the requierements is to use inferential statistics to test the...

18 February 2021 7,092 11 View

Hi! What is the best way to define/specify content-related factors and style-related factors in terms of language variation / gender differences?

28 December 2020 4,409 3 View

Is there any website where I can find daily COVID-19 confirmed cases and deaths according to age and sex for Sri Lanka?

I need to calculate CFR based on age group and sex. For this, I need daily COVID-19 confirmed cases and deaths according to age and sex for Sri Lanka. Where can I find this?

13 December 2020 8,287 2 View

Does anyone know of any scales/measures/questionnaires that are available to measure stress and well-being?

My research is on the relationship between unemployment and stress and well-being, and how gender differences moderate that relationship. I'm quite new to research, as this is for a university...

13 October 2020 4,096 13 View

How do I test for gender differences in Spearman rho correlations?

I want to explore if there is a gender difference in a correlation between two ordinal items. I have calculated spearman rho within gender for the items, but I now need to test if the correlation...

09 October 2020 970 13 View

What is the most sensitive Non-invasive prenatal testing for fetal sex determination?

Is 8th week the earliest week where we can determine the fetal sex ?

05 October 2020 9,576 9 View

Sex-specific Occupancy modeling?

I want to employ Occupancy and Detection probabilitiy estimates for a large vertebrate species. Do you recommend using and running different models with presence-absence matrices by sex (i have...

28 July 2020 6,142 3 View

Precision on how does R handles Factors and Numeric Predictors containing the same information in Multiple Regression Model ?

Hello, - I've ran Multiple Linear and Logistic Regression Analysis in R in order to compare the effect of a couple of predictors including Sex and group for IQ (categorically defined as High or...

15 June 2020 8,811 1 View

How to report incidence that is more common in males?

Dear colleagues, I have to report incidence rates for spontaneous pneumothorax, which from a study has an incidence in males of 19.3 and 8.1 in females(per 100000). I wanted to report a general...

20 May 2020 1,413 2 View