What are minimum aspects of the publication ethics?

I am dealing about ethic in various disciplines.

08 September 2018 5,054 14 View

How to calculate sample size for true-interventional studies?

We are going to conduct an interventional study on changing risks behaviour of NCDs among school teachers.

03 April 2018 3,732 5 View

What should be considered (the minimum criteria) for adopting others' tools for research purpose ?

We are going to adopt AUDIT and DAST 20 for our search, screening of psychoactive substance use among school level adolescents in Rupandehi district of Nepal. Similarly, researchers are asking me...

10 November 2017 6,285 3 View

Can we use DAST 20 for screening psychoactive substance use among adolescents in developing countries or it is only for developed countries?

We are awarded a research Grant and planning to adopt DAST 20 for screening the psychoactive substance abuse among school level adolescents in Rupandehi district of Nepal.

10 November 2017 1,134 2 View

Would you suggest good literature to differentiate mediator, moderator and interaction effect in social science research?

I am getting confusion.

09 October 2015 5,360 1 View

What are the common practices of authorship order of scienctific writing ?

I find huge variation considering authorship order of scientific writings, even in reputed journals also...

01 February 2015 5,793 9 View

What are the sipmple tips for writing discussion part of the scientific articles? Is it needed to summarize results in discussion section?

31 December 2014 4,064 4 View

How can I estimate mediation effects from cross sectional social science research?

31 December 2014 1,652 2 View

Does randomization in subject selection and quantitative interpretation of qualitative studies matter?

Qualitative research

03 April 2014 6,711 6 View

What is minimum required sample size to compute Cronbach's alpha reliability for questionnaires/ scales?

I am going to develop and validate women's autonomy measurement scale.

02 March 2014 5,466 11 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Will a 10xHis-tag prevent anti-MBP from binding to MBP?

I have a protein with a 10xHis-MBP tag on the N-terminus. I'm fairly certain I am expressing my protein, but I'm not getting a signal on my western blot. Is there a possibility that the 10xHis tag...

25 February 2021 8,404 3 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

What's the concentration recommend for recombinant protein use in western blotting?

I'm currently working having problem with the concentration for recombinant protein use in western blot, the one been used is Recombinant Human CD19 Fc Chimera Protein-rndsystem which does not...

24 February 2021 8,514 3 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 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

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View