Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

Python - TRNSYS link not working with Type169?

I used Type169 for data exchange between Python and TRNSYS. Unfortunately, facing the following error. No proper documentation is available for this part. TRNSYS Message 105: A TYPE was called in...

14 February 2021 5,577 1 View

In a xrd pattern how to check if any of the peak is due to presence of super lattice(SL)? Any conditions to check & confirm SL peaks?

I have a xrd pattern, in that i suspect that one of the peak may be due to SL, i want to understand how to confirm it or reject it

07 January 2021 5,534 3 View

Please help me out with this question. Does the assumption of normality need to be met for a mediation analysis in PROCESS in SPSS?

Does the assumption of normality need to be met for a mediation analysis in PROCESS MACRO in SPSS?

06 January 2021 2,195 6 View

An author's institutional affiliation was different at the time of the study and while writing up, which one should be provided for publication?

All the researchers of a study have moved to a different institution. We conducted the research while we were at the old institution. Now, as we write-up the manuscript for journal publication,...

08 November 2020 285 3 View

Can anyone help with this doubt on sample characteristics in a prevalence study-regarding its homogeneity and generalizability?

Background-In a community-based prevalence study, sampling was done from different geographical regions using probability proportional to sample size method and random sampling of individuals...

28 July 2020 5,748 3 View

Can a study design and rationale paper (or a protocol) be written for publication after the study is completed?

My team has an afterthought on writing up the study design for publication after study completion. The study is completed and while writing up the results manuscript, we feel that the methods...

08 May 2020 5,230 11 View

Can a individual without affiliation to a university or research institute publish research papers? What would be the journals stand in such case?

I wonder how an individual would publish his ideas or his theory on scientific or as matter of fact in any field, if he is not affiliated to any university or firm or any institute?

28 April 2020 3,353 9 View

Does fatigue strain life approach is valid for stress value below yield stress?

While doing fatigue calculation stress life gives higher damage, but the strain life approach gives good life.The stress value is less than yield point.Is it valid to use strain life approach for...

29 July 2019 6,869 3 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

How can we limit artifacts caused by rotation in fiber photometry?

We are trying to run fiber photometry experiments for long time scales, but we get these sinusoidal artifacts that come up. We think they may be caused by twisting of the fiber optic subject...

25 February 2021 568 1 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View