Agarose gel is used for the separation of DNA in large fragments. Is this statement true?

08 September 2016 7,632 1 View

In Gel Electrophoresis SDS-PAGE is meant for the separation of DNA in smaller fragments and proteins. Is it true?

08 September 2016 10,035 1 View

Besides environmental taxes , bargaining solution and tradable permits are market-based instruments in internalising externalities. Is it true?

08 September 2016 8,742 2 View

Light microscope uses a glass lense whereas electron microscope uses an electromagnetic lense. Is this statement true?

07 August 2016 5,548 0 View

Shannon-Wiener and Simpson Index are instrumental in the analysis of species evenness and equity in distribution. Is this statement true?

07 August 2016 5,003 6 View

A light microscope uses a glass slide whereas an electron microscope uses an electromagnetic slide . Is it true?

07 August 2016 9,943 2 View

The best light microscope has a resolution of 0.2 micro meters which is equivalent to 200 nanometers. Is this statement true?

07 August 2016 2,939 4 View

How distinguishing are the uses of agarose gel and SDS page in Gel electrophoresis?

07 August 2016 2,038 5 View

A process in which heavy metals in the soil are immobilised by plant roots is known as phyto-stablization. Is the statement true?

07 August 2016 2,223 5 View

Is it realistic to say that High Performance Liquid Chromatography is instrumental in forensic analysis of drugs and explosives?

07 August 2016 1,768 2 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can the problems of overfitting be solved without cross validation?

For an overfit data set the cross validation error will be much bigger than the training error. Is it true or false?

23 February 2021 3,616 2 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

Can I arbitrarily take a cycle number of 40 for the gene that was not expressed at all in qPCR results calculation?

I ran RT-qPCR for a control and a treated group and it appears that my gene of interest was not expressed at all in any of the subjects in the control group. So I was wondering if I could...

20 February 2021 6,243 10 View

How to perform EEG classification of Alzheimer and control groups?

I am doing a project on classification of EEG signals of Alzheimer's disease and control groups. Previously, I extracted the alpha power of the EEG signals and found out the strengths. I want a...

18 February 2021 8,502 2 View

Which statistical test is best to seperate out treatment effects meta-analysis?

I am doing a meta-analysis and am looking for some guidance on which statistical test will help me do the following. I want to understand the effect size a treatment has on a population. There...

16 February 2021 8,033 3 View

With or without a Control Group?

Hello, I will do a research with K-12 students (my own students), and it includes a treatment which will last around 3 months. We will see how and whether it will affect their motivation. That's...

08 February 2021 632 4 View

Is it ok to run an ANOVA with a sample that is slightly smaller than what is recommended?

Greetings! G*Power indicates that 128 is the target sample size for a one-way ANOVA (effect size = .25; significance = .05; power = .8). For my study, I've got one categorical independent...

01 February 2021 8,191 9 View

Cross-country research: How can I control for the factor country, although I don't have any hypotheses regarding country differences?

Hello, I am currently preparing a preregistered report for experiments in different countries. I am studying motivations/values of students; therefore, I want to conduct several same experiments...

28 January 2021 5,763 3 View

How to get rid of significance issues in Western blot quantification of irregularly expressed proteins between samples?

Some proteins (abnormal proteins!?) expression pattern is highly different among individual sample so that it is very hard to get the significance difference between the group. For example, the...

27 January 2021 3,629 4 View