How could I estimate the bias from proficiency testing data and What acceptance criteria could I be used?

More Andy Caballero Méndez's questions See All

What skills should today's teachers take into account to teach students and prepare them for a long-term future?

Taking into account that each society incorporates into the curricula the necessary knowledge to teach depending on the social demands of each country.

06 June 2024 9,710 14 View

What considerations should be taken when using proprioceptive stimulation in patients with multiple sclerosis?

By working on proprioception, we send stimuli to our brain through multiple pathways (senses, muscle spindles, ligaments, etc.) that will help us improve our balance.

01 June 2024 2,344 3 View

What are the principles to take into account when carrying out techniques with the Kabat Method?

The Kabat Method is a proprioceptive neuromuscular facilitation technique, which uses a series of principles and relaxation or contraction techniques according to the desired objective. This...

01 June 2024 3,107 3 View

How important is the development of research skills in students?

to solve scientific problems in daily professional life

25 May 2024 7,873 11 View

What principle should be taken into account when performing Frenkel exercises?

Frenkel exercises are performed with the intention of recovering coordination of movements.

25 May 2024 7,780 2 View

How important is carrying out a sports detraining program for the health of former athletes?

Sports detraining is necessary for former athletes to be able to physiologically guide the functioning of their body.

25 May 2024 8,404 3 View

Can doping decrease/increase band gaps of semiconducting monolayers in very significant levels?

Hello. I am currently doing computational DFT on a CsGeBr3 (3x3) perovskite monolayer to study its band structure and band gap for my undergraduate thesis, especially with Fe-doping and Biaxial...

17 April 2024 2,438 2 View

Has anyone a protocol or any tip for using the Amicon Ultra for protein concentration?

I am currently expressing a recombinant protein through the transduction of my plasmid into HEK 293T cells. Historically, I've encountered minimal issues and achieved high yields of protein at a...

17 April 2024 9,102 8 View

Error in ABAQUS Restart Model ?

Hi every one I have a model in Abaqus standard with Heat transfer. When I restart this model , Abaqus exit with this error: "Unable to open the file Job-2.mdl" How I can fix this error? Thanks

14 March 2024 2,562 1 View

¿Qué tipo de técnicas podrían usarse para involucrar a la familia de los menores infractores en su reinserción social?

La participación de la familia en la intervención con los menores infractores es indispensable, mediante el trabajo con esta se puede mejorar en gran cantidad las perspectivas de futuro del menor....

10 March 2024 392 0 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

Are there any statistical methods to justify your sampling technique using SPSS or AMOS?

05 August 2024 9,153 4 View

Project/Experimental assistance ？?

Do experiments on behalf of Our Business: Laboratory animal rearing Animal modeling Experimental animal behavior detection, image ultrasonic detection, electrophysiology platform Organoid...

05 August 2024 5,829 1 View

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

What is the best sampling strategy?

I am conducting a qualitative study that uses interviews to investigate the perceptions of teachers about a particular leadership practice and I am focusing on 3 schools which have a total number...

01 August 2024 8,457 10 View

Why 3 replicates for most biological assays? Is it enough to examine the data fits normal distribution?

Just bounced on me. Before statistically analysing significant difference, shouldn't we see if data fits normal distribution first? Is 3 replicates enough to testify the hypothesis of normal...

31 July 2024 8,141 13 View

Which statistical test should we use?

N=6 Comparing pre and post test likert scale responses. Participants are mix of practicing & preservice teachers.

30 July 2024 7,233 4 View

Can you recommend provider Intermediate laboratory test for hydrocarbon, polyethylene & polypropylene?

Accredited laboratory of JV "Uz-Kor Gas Chemical" LLC (Uzbekistan) is looking for providers to conduct interlaboratory comparison tests on gas chromatographic analysis of hydrocarbons (component...

25 July 2024 8,108 0 View

Is it possible to do transient simulation in HFSS in presence of magnetic biasing?

I have designed magnetic material with different biasing conditions in HFSS. Now I want to give an RF AC signal and do a transient simulation in HFSS. Is it possible to do in HFSS? Please help me...

24 July 2024 9,319 5 View

I encountered a situation where the 16s PCR amplification worked perfectly with the DNA from the same sample, but using the same sample Don't working?

I isolated microbial DNA from marine water samples taken at various sites using the Qiagen Power Water DNA Isolation Kit, including a modified enzymatic lysis step. I encountered a situation where...

24 July 2024 9,688 0 View