Is it possible to index the Rosenberg self-esteem scale rather than using the score?

I'm trying to use the Rosenberg self-esteem scale in a mediator analysis, but I am unsure whether it's possible. This scale seems to result in a score, rather than an index. Is it possible to just...

23 February 2020 6,348 3 View

How bright does a moving light spot appear, compared to a stationary line of light?

A well-known phenomenon is the sparkler's trail effect: A quickly moving spot of light appears as a line of light, due to the persistence of vision. Now the question arises: What is the...

30 September 2019 1,884 1 View

Insert an expected Mineral peak into an XRD pattern in XPertPro Programm?

I am analysing a XRD Pattern and expect to find magnetic minerals like Magnetite, Hematite or some else. The automatic suggestions of the Program don't give me these minerals, but I want to insert...

04 February 2016 5,055 3 View

What could be a reason for an increasing real part of the impedance with increasing frequency?

23 September 2015 5,084 5 View

How can we determine the voltage boundaries for charging and decharging a battery?

We measured a charge-voltage-curve and get the characteristic one for a single step charging reaction. What could be a scientific way to determine the voltage boundaries for our material? Up to...

10 August 2014 9,814 3 View

Any information on software for Aminco Bowman Series II spectrofluorometer?

Until an unfortunate hard disk failure, we were running a Aminco Bowman Series II fluorescence spectrometer. Now we are having trouble finding the right hardware for re-installing the software...

21 April 2014 6,802 3 View

SPSS: ANOVA with repeated measurements and with one empty cell?

I have one question which seems to be often ignored in standard textbooks in statistics. In my design there is (by definition) one cell left: I want to compare gender composition of siblings...

03 July 2013 8,219 7 View

How to estimate E1/2 from cyclic voltammetry data?

I am trying to estimate and also calculate the E1/2 of a redox reaction under different pH conditions. Is it correct that I can quickly estimate the E1/2 of a given reaction just by connecting the...

04 May 2013 6,622 20 View

What is the exact relationship between the phonetic in Chinese characters and the modern, ancient or dialect pronunciation?

I am interested in finding out how the phonetic part in Chinese characters affects the pronunciation of these characters. In particular, I am interested in finding possible patterns or rules that...

22 October 2012 2,567 7 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

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

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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View