How can I model a prediction of a dependent variable using BOTH a predictor at time 1, time 2 AND the change (time 2-1) of this predictor?

I want to model the following: DV: Y at time 3 IVs: X at time 1, X at time 2, change of X from time 1 to time 2 Which is the most appropriate way (preferably in SPSS). I am afraid I cannot use...

10 December 2020 264 3 View

Can you recommend me tree databases?

Hi. I have slight experience in searching phylogenetic trees, normaly I use TreeBASE or Dryad but some papers that I found doesn't have the resulting trees in these databases or there are genetic...

26 October 2020 582 3 View

Could ANOVAs be used as a substitute for regression models for mediation analysis?

Hello all, I hope you can help me with these questions. I am developing a mediation analysis using the mediation package in R. I need to analyze the influence of perceived learning (Mediating...

18 August 2020 7,521 9 View

What would be the fate of ecotoxicology in the South American studies?

I'm currently working on ecotoxicology and I'd like to know what my colleagues from the same area think, especially in South America. Too much of microplastics in my opinion, but few studies...

18 May 2020 1,064 2 View

(epidemiology) how does one measure the RATE of infectivity?

I am not an epidemiologist, nor am I studying epidemiology, this is a question born of sheer curiosity due to current events. I understand (more or less) the principle behind the basic...

19 March 2020 9,458 3 View

How can I clean insect exoskeleton?

I want to remove whole soft tissues and maintain intact the exoeskeleton

10 March 2020 4,345 6 View

How would you evaluate "Interpersonal Trust" for people who are sharing a 4-seat vehicle with people they do not know?

Hi. I am conducting an experiment and I would like to understand if people would be willing to share a 4-seat vehicle with people they do not know. I have thought that the personal tendency of...

10 December 2019 7,989 3 View

How to handle output data for Taguchi DOE?

I am using a L8 (2 level, 4 Factor) DOE. I have completed the experiments and am now trying to sift through the data and start the analysis. I completed these experiments in a strictly production...

03 December 2019 1,977 5 View

PDL1 expression in PB lymphocytes by flow cytometry?

is there anyone who study PDL1expression in PB lymphocytes by flow cytometry in healthy controls and in pathological cases ( cancer) Oddly, we found that healthy controls express more PDL1 than...

02 December 2019 4,873 3 View

How can i measure health well-being ?

12 August 2019 8,050 3 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Do anyone here can help us in the field of molecular docking?

We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...

01 March 2021 1,899 2 View

Which is better medicine or food in obesity?

Preference in terms of the scientific aspect

28 February 2021 796 2 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

How to use Remote sensing and GIS applications for mapping the available medicinal plants within the locality/municipality?

Hello, I'm very interested in mapping and managing the conservation of the Philippine traditional medicinal plants, in which I think is very helpful in the field of medicine for further analysis...

21 February 2021 374 5 View

How can we assess applied digital skills and soft skills through online examinations during COVID-19 semester?

The final qualification assessment for major programs is a strict regimen that involves different stages - oral and written exams, final project viva, internal and external review. How are ICT...

16 February 2021 1,762 8 View

An article on the Iranian state's civil liability in the COVID-19 matter needs supervision; Is anyone interested in collaborating?

Hello. An article on the Iranian state's civil liability in the COVID-19 issue has been written in collaboration with a friend and a comparative look at law and biology. The article is ready to be...

15 February 2021 2,906 2 View

Is there a way to grow biofilm in lab to mimic biofilms in showers and baths? Also, how can I measure it?

Hello, I am new to biofilm research and have a question about growing and measuring biofilms. We want to research the effect of a type of enzymes in breaking down biofilms in showers, baths, hot...

14 February 2021 3,522 3 View

Which tropical country is the most easy for obtaining research permit (for biological research)?

Dear all, High beurocracy hihly complicate field ecolocial and evolutionary research nowadays. Nearly all tropical countries (maybe all?) requires research permit for performitng research and in...

04 February 2021 3,672 6 View

Why marketers need a forensic understanding of consumers and a creative, agile mindset?

02 February 2021 6,579 10 View