How reliable are degrees of freedom for lme mixed models in nmle package?

I am running mixed models analyses because I have participants nested in groups. Across the different analyses, I have very different degrees of freedom in the lme output with nlme package (and...

09 February 2021 6,767 3 View

What is the best visualisation solvent for xylooligosaccharides using TLC?

I am interested in using TLC to detect non-linear xylooligosaccharides. What would be the best visualisation solvent? Would aniline phthalate solution be suitable? I have also seen people...

02 February 2021 7,748 3 View

I.P. drug injection- time to reach brain?

I am injecting different serotonergic drugs into mice i.p. and see an effect in the brain electrophysiology quite fast, i.e. within minutes, when using a specific receptor agonist drug. I do not...

01 February 2021 8,406 3 View

How to measure CPT1/FAO activity in a rare cell type?

Hello all, I am searching for a way to measure the activity of CPT1 and/or FAO in mouse hematopoietic stem cells, which means I have very little material available to do so. Any...

20 January 2021 8,499 2 View

Power based on past research in multilevel model?

Hi I want to replicate a published article that uses a multilevel model (participants nested into groups). I want to see the sample size I need to achieve an 80% power. I saw the simr r package...

06 January 2021 2,984 6 View

Can I display regression line for a whole group, when subgroups are displayed on Graphpad Prism?

I have created a scatter graph in Prism under -> multivariable analyses -> extract and re-arrange, to display relationship between 2 variables, the 3 subgroups within the group are...

16 October 2020 310 1 View

I am writing a literature review on negative symptoms and how cognitive neuroscience has she light on the understanding of schizophrenia?

This is my first time to write a literature review. I would appreciate some tips and suggestions. Links to good examples or informative websites. Papers on the topic.

13 September 2020 4,141 5 View

Are there any RNA secondary structure prediction programs for long sequences?

Can anyone help please. I am looking for a free, and preferably web based, program that will predict the secondary structure of a long RNA sequence. The most common programs only accept short...

07 July 2020 1,880 3 View

Survey Data Anlysis/Testing Support - any help?

Hi - hoping someone might be able to help me please? I've had to totally change my MSc project as a result of COVID and as I can no longer do face to face testing, I have created a survey and...

14 April 2020 6,292 9 View

What's the best way to administer or score measures of overclaiming?

I'm looking for advice from folks familiar with the research on overclaiming, social desirability or lying, or general measurement expertise, on ways of administering or scoring the overclaiming...

29 January 2020 7,520 4 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

How does Scientist/RG community evaluates a case study article and the impact of it on a researcher career?

An article that is published as a case study in the SJR listed journal. How much value is added to a researcher career? How it is evaluated by a scientific researcher/University admission...

02 March 2021 9,661 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

How to regulate SSCP temperature in simple PAGE?

I'd like to perform single-strand conformation polymorphism (SSCP) in my thesis, however I cannot control the temperature of the vertical PAGE since we are using the conventional tanks. Is there a...

02 March 2021 9,157 1 View