What statistical tests can I conduct for a survey with mostly dichotomous survey questions?

I wanted to know what other statistical tests I can conduct for a mostly dichotomous survey. I am assessing GIS use in graduate public health programs and I am not using a Likert-scale for my...

20 November 2020 1,025 3 View

Biotech Startup Research?

26 October 2020 9,698 5 View

Where to find the NMR data from a log file instead of using Gaussian?

I do not have Gaussian at home and for unforeseen circumstances I cannot get to a computer to visualize my NMR spectra. Where do I find this data in my log file for proton NMR?

17 March 2020 3,676 1 View

What software is available to model the impact of design change in complex products?

This question relates to research into the management of engineering design information and the impact of innovation. Complex products such as aircraft, trains and ships are high-value, long-life...

18 December 2019 316 3 View

What software is available to model the impact of design change in complex products?

Complex products such as aircraft, trains and ships are high-value, long-life assets that are typically managed as a fleet over a period of 20 to 30 years. Managing technology upgrades...

18 December 2019 4,710 3 View

Haemotoxylin and Eosin [H&E] weak Eosin stain, how to get rid of the glass cover and which staining step to re-do?

Hi everyone! I tried my first H&E stain with one of the kits I ordered [Vector Labs, cat.no H-3502], and I stained all my slides. However, when I imaged the sections, there was no pink stain only...

25 August 2019 6,168 3 View

Why use a validated measurement scale?

Hi all, I know that, in general, using a validated measurement scale (where one is available) is preferred over developing your own unvalidated measures, but what I can't seem to find at the...

26 April 2019 3,465 3 View

How to get a physiological pH when making 16% Paraformaldehyde?

I made 16% paraformaldehyde from scratch (dissolving powder in ddH20). While I was attempting to pH it, it would rapidly switch from alkaline to acidic according to the pH strips we use (range pH...

08 April 2019 6,179 3 View

What protocol should I use to sample soil on a reclaimed mine site?

I will be taking soil samples in Eastern Kentucky and need to determine the protocol.

18 June 2018 4,485 5 View

What is the best way to determine the frequency of plant fossils in a shale matrix?

01 August 2017 6,330 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

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

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View