May I use Minimal important difference (MID) in non-normal distribution?

MID is based on Standard deviation, consequently, I should not use it in non-normal distribution. Am I right? If yes, which test may replace MID?

13 December 2020 7,573 3 View

How to formulate interview questions for Turnover Intention?

Currently, I want to gather preliminary data about turnover intentions among employee of a company using interview method. My biggest concern is with the corona pandemic, possibly each of the...

14 May 2020 768 5 View

How to choose the best smooth algorithm for your data in Origin?

I have several curves of applied potential versus electric current with hundreds of points in each of them. I am trying to analyze their first and second derivatives, but they are too noisy to...

27 April 2020 5,932 2 View

Validation study: Can I join two samples from different regions of the same country?

I applied the same questionnaire in two samples (150 and 60 participants) from different regions from Brazil. I would like to join those samples, but I can not do measurement invariance (because...

10 March 2020 3,715 7 View

Is there any protocol for the lactic acid without the use of a kit?

protocol for colorimetric assay

17 February 2020 6,924 3 View

How can I check which constraints are violated (Concert - Cplex Studio 12.10 - C++)?

Currently, I am working on the implementation of a formulation for an optimization problem, at the moment I already have the MIP formulation implemented in C++ using Cplex studio 12.10 with the...

26 January 2020 7,887 1 View

Which is the best way to assess internal consistency in a non-normal data?

The sample coefficient alpha is affected by leptokurtic true score distributions, or skewed and/or kurtotic error score distributions. Therfore, I would like to found a alternative to Cronbach's...

05 March 2019 6,757 6 View

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31 October 2017 867 1 View

Using the Shiller PE Ratio (Cyclically Adjusted Price to Earnings - CAPE) on capital structure theory (trade-off, pecking order and market timing)?

Shiller PE Ratio seems to fit well as a proxy to test the Market Tiiming Theory along with the Market-to-Book (M/B). Since the M/B measures the managers 'perception of the company in the market in...

12 January 2017 4,941 2 View

How to reduce an Ester to aldehyde with no alcohol formation?

I'm using a procedure that uses morpholine and DIBAL-H. First I make the complex intermediate of the aluminum (1eq of DIBAL) with the morpholine (1eq) by stirring them for 3 hours. Then, I add my...

31 August 2016 5,531 21 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

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

No title

02 March 2021 3,060 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