How to fix the sample size for human questionnaire study? Is there any formula to fix the sample size in human study?

How to fix the sample size for human questionnaire study

06 July 2019 4,463 6 View

Does circadian rhythm change and sleep deprivation deferentially affects the brain? which is having more adverse effects?

Dear all, How circadian rhythm change and sleep deprivation affects the brain? does both acts deferentially or same way on the brain and what are the consequences? which has more negative...

11 December 2017 8,370 5 View

Does anyone have experienced the white band pattern in western blot technique for phosphorylated form of AKT protein expression?

02 March 2017 1,045 5 View

How to do Two-way ANOVA in SPSS for four groups and comparing between two different time points within the groups and between the groups?

Hello to everyone I am working in the field of stress physiology, I am comparing different parameters between Male animals Vs Female animals and within Male and female animals, each group contains...

09 October 2016 416 2 View

Is there anyone have experienced estimation of 11 beta hydroxysteriod dehydrogenase (11HSD1 b) from rat plasma samples?

08 September 2016 9,784 1 View

Why gene expression was not observed in real-time qPCR but it was observed in conventional PCR?

08 September 2016 3,816 5 View

How to select the appropriate statistical method for Questionnaire based survey study?

05 June 2016 6,035 3 View

Why and what would be the reason for HPLC-ECD detector showing out of range?

I am working with HPLC with ECD detector for neurotransmitter estimation from rat brain homogenate.. Few days back when i was doing HPLC, the base line reached from 2.5mV to around 1000 mV...

01 February 2016 1,742 7 View

Can anyone provide me Glutamate neurotransmitter (HPLC standard) for research purpose?

I am working in less established lab with lack of funding from india. I am doing Neurotransmitters estimation from rat brain homogenate. if anyone provide me 10-20mg of glutamate HPLC standard it...

01 February 2016 5,691 0 View

How do I choose the appropriate statistics test and post hoc analysis for animal behaviour analysis?

10 November 2015 9,918 4 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 View

How to approach CFD simulation results of a flow past a cylinder?

Hi all, I'm doing a transient simulation of flow past a rectangular cylinder close to the free surface. As far as I'm concerned, the common practice is to discard the initial stages of the...

25 February 2021 1,348 3 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

Hi all, My research questionnaire has 3 sections each having a mix of yes/no and multiple choice questions. How can I test its reliability ?

The sections are about awareness, practice, and perception regarding waste management. Thanks

20 February 2021 5,722 3 View