What is the significance of (isolated) high titers of IgG anti GD1a antibodies in an older patient with polyneuropathy?

Remote history of Campylobacter infection with reactive arthritis, and Spitz nevus (UMP). Arthropod exposure in Zika/ChikV endemic area prior to emergence of length dependent, sensory PN with...

18 February 2021 8,719 1 View

Do I need to randomise samples in 96 well plate?

It's been recommended that I randomise samples across a 96 well plate, but not true randomisation, just don't run duplicate samples next to one another. Can someone point me in the direction of...

05 August 2020 7,510 3 View

What are the best emotional intelligence scales that contain subdimensions?

We are looking to do a study on leadership and we want to use a an Emotional Intelligence Scale that meets the following criteria 1. is used in published academic research, not just consulting...

14 July 2020 7,122 2 View

Total of polyphenols in tea extracts conc mg/l to mg/g dry tea?

04 March 2020 3,649 7 View

No title

03 December 2019 5,253 1 View

How can I purify nanoparticles of PEG-PLA ?

Hello, I synthesize nanoparticles of PEG-PLA to encapsulate retinol. Once the nanoprecipitation process is completed, I would like to eliminate the unencapsulated active ingredient (retinol). In...

24 November 2019 8,853 2 View

What is the best research method for analysing documentaries?

I am in the middle of my assignment which is a small research project and I need to edit the methodology. My tutor has recommended me to find an hour long documentary online to analyse to do with...

29 July 2019 6,503 6 View

Purification of PEG-PLA ?

Hello, I'm working on PEG-PLA (5000:15000 Da) and I try to purify it after ROP polymerization. In different papers, they use purification by precipitation (usually with MeOH or diethyl ether)...

10 July 2019 386 9 View

Can I perform meta-analysis when the exposure veriable is continous?

I am hoping to undertake my first meta-analysis, where the exposure variable it mean number of decayed, missing or filled teeth)and the outcome is BMI category (underweight, normal weight,...

09 May 2019 8,757 4 View

Best method to amplify the signal in immunohistochemistry?

I am currently doing immunohistochemistry to look at a membrane antigen, on fixed embedded samples. I want to amplify the signal (low) I am getting, and was wondering which kind of amplification...

24 April 2019 5,263 5 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

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

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

Can I use a likert survey for criterion sampling in a qualitative study or would that make it mixed methods?

I am doing a phenomenographic study on the reading experiences of avid v. Neutral v. Non-Readers. If I use a likert survey to criterion sample for participants, does that make it a mixed method...

09 February 2021 8,594 3 View

How to create the context-mechanism-outcome configuration (CMOc) in the realist methodology?

In the realist methodology (especially by Raymond Pawson et al), the CMOc is a common structure to explain what works, for whom, in what circumstances, and why? I'm always asked about the...

08 February 2021 2,792 1 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

How do I create a categorical variable, level of exposure, and a dummy dichotomous, yes-no, variable for the Harvard Trauma Questionnaire Part 1?

I am using the Harvard Trauma Questionnaire (HTQ) Trauma Events scale (original version) that has 17 items (17 different traumatic events) with 4 response options, indicating 4 levels of exposure:...

04 February 2021 1,509 3 View

How to report path analysis / SEM with Yuan-Bentler correction from R output?

Dear all, I am currently writing my master thesis where I am analysizing my data using path analysis and SEM in R (lavaan package). Now that I like to write up my results, I am struggling with...

04 February 2021 8,993 2 View