What is the age group of children whom you are targeting?

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

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

Recommendations for sample size in visual qualitative research (using children's drawings)?

Hi everyone! Asking for a little help, if I may. I am working on a research project, where I aim to analyse children's drawings about Covid-19. I am fairly new to using visual data in qualitative...

07 February 2021 9,530 3 View

ECG and children with autism ?

Does anyone have experience with collecting ECG data on children with autism? How was your experience? I'm interested in the tolerance levels for kids to have wires attached to their chests. What...

02 February 2021 5,850 3 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

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

Saovakon Virasiri

I focused on parents of early teenagers aged 10-15 yrs. old that parents have high concerns about health risk behaviors.

Rhianon Allen

In my last study involving children, I focused on mothers & their preschool aged children for a study of control techniques.

Pinhatai Supametaporn

In my study of adolescent sexual health, I focused on female students in grade 7-9 or early female adolescents in school setting and their mothers.