How to get the best value that will represent a set of values?

08 September 2016 665 3 View

How to formulate an equation in determining the chlorophyll content through the use of absorbance with varying wavelengths?

I am planning to compute for the chlorophyll content of a certain plant using the UV-Vis Spectrophotometer but I don't know how to formulate an equation regarding it. I've read different...

07 August 2016 6,877 7 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

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 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

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

How to resolve Gaussian error termination " Error termination via Lnk1e in F:\G16W\l103.exe" for TS(QST3)?

When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...

21 February 2021 3,198 2 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

Using the Pfaffl method: Is it possible that the ratio of the calibrator does not equal 1?

Hi all, I have a question regarding calculations using the Pfaffl method. I have 3 groups per experiment: 1 control group (calibrator) and 2 treatment groups with 6 to 7 biological repeats per...

19 February 2021 8,351 2 View

When to use different framework?

Hi, can I use both conceptual framework and theoretical framework in my systematic review? My future study plan is to use a theory. In this situation for my systematic review should I use both or...

18 February 2021 9,581 2 View

How to analyse a (perceptual) study using differing/comparable sets of stimuli?

I plan on running an online perceptual experiment that has, let's say, 100 unique video stimuli altogether. Since these are too many to be rated by every participants, I would like to present the...

15 February 2021 7,444 2 View

How to analyse a split-plot design in stata ?

I have run an split-plot design experiment evaluating the efficacy of a treatment (with 3 whole plots and 4 sub-plots), and I am planning to analyse the collected data in Stata. However, I do...

14 February 2021 7,800 7 View