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

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

10 November 2015 9,918 4 View

How to estimate the Homocysteine levels in Brain?

How to quantify the homocysteine levels in the brain tissue, please give me procedure for estimation of homocysteine..

02 March 2015 1,142 2 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View