How to interpret conflicting odds ratio and p-value in binary logistic regression?

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Does anyone know who I can email for permission to use the Survey of Perceived Organizational Support (SPOS)?

I am not sure if permission is needed but I am having trouble finding the holder of the copyright for the Survey of Perceived Organizational Support (SPOS) developed by Eisenberger et al. (1986),...

14 January 2024 6,153 1 View

How do you utilize detergent in sonication of tissue homogenates designed to release virus or VLPs?

Determining impact of NP-40 and Freeze/Thaw cycles

08 June 2022 925 0 View

What detergent should be used to release viral particles from tissue without damaging the virus (for titration purposes); as in along with sonication?

Virus titration. Detergents.

25 May 2022 9,789 1 View

Protein quantification of cell lysate in urea buffer?

We need to do our protein extractions in urea lysis buffer (recipe below) because SWI/SNF complex members bind very tightly to the DNA and won't show up on a western with just RIPA lysates. Is...

05 April 2022 2,220 2 View

Alternative to Leibovitz's L-15 Medium for CAOV4 Cells?

We recently purchased CAOV4 ovarian cancer cell line from ATCC which requires growth in Leibovitz's L-15 medium. This medium is designed to be used without CO2. Does anyone have experience using...

11 February 2022 2,856 0 View

Problems with Running Stage of Western Blot?

Wondering if anyone has any insight on why my gels are not running well? They are bowing in the center when running and it constantly switches itself off (the power cell will say that the load is...

15 July 2021 8,246 0 View

Is there a way to automatically gather surface area from a 3D model based on color/texture?

I have been constructing 3D models of large corals and I was wondering if there is a software that I can use to gather the area of live tissue vs dead/disease? I am aware there is a way by tracing...

17 December 2020 7,517 1 View

Linear vs Supercoiled vs Nicked DNA on agarose?

I am pretty new to molecular biology techniques and just when I think I have it all figured out, something stumps me. This is how this gel (1.5% agarose) is loaded: 1. GeneRuler ready to use cat#...

06 October 2020 8,088 4 View

What are the most reliable rubrics for secondary student reflections?

In searching how to create a rubric to assess metacognitive levels in student reflections, I have discovered quite a few. Would anyone have suggestion or comment on what they have experiences as...

10 October 2018 4,178 2 View

Best way to weigh hundreds of samples for a hyb ELISA?

We use a hybridization ELISA as a PK assay. We have hundreds of samples from different tissues of various treatments. Currently we're pre-weighing the tubes, then weighing the tubes with tissue...

16 August 2018 2,418 3 View

Is there an alternative to a multinomial regression which allows the DV to be non mutually exclusive?

I am trying to analyse data from a survey examining what variables affect teachers perceived barriers to incorporating technology into their classroom. I have 5 predictor variables however my DV...

06 August 2024 1,752 3 View

In order to run Multinomial Logistic Regression, is it required that the data be in the long format?

I am using unit level data (IHDS round 2) & Stata 17

06 August 2024 5,725 2 View

Normality assumption for linear regression is The assumption of normality is whether for residual errors or predictor variavble?

When we conduct linear regression, there are several assumptions. The assumption of normality is whether the residual errors are normally distributed, not whether a predictor is normal?

31 July 2024 6,164 3 View

What is the acceptable p-value cutoff for GO enrichment analysis ?

I have an RNA-seq data that I have analysed using Limma-voom and have extracted the gene IDs, log2FC and the p-values. At p value < 0.05, I have over 10,000 DEGs, however, when I run the GO...

31 July 2024 225 2 View

How to do Mann-Whitney U test with Bonferroni corrected p-values?

Dear All, My lab primarily works on insect wing patterns. In one of the projects, my student and I have defined 19 abnormality characters on the forewing and 6 abnormality characters on the...

31 July 2024 6,464 5 View

Bonferroni correction. I have independent t-test, paired t-test and ancova conducted. Which test would require Bonferroni adjustment?

I have two groups that I test on three different tasks. I have 4 independent t-test, 6 paired t-test and 2 ANCOVA. My concern for which t-test should I conduct bonferroni correction. At the moment...

28 July 2024 7,827 6 View

What is the impact of collaborations with key suppliers on an SME's competitiveness?

The literature on Supply Chain Integration (SCI), Supply Chain Management (SCM), and collaborations, spanning several decades, deserves special attention. This topic, although addressed for a long...

23 July 2024 5,672 3 View

Is it redundant to use both Random Forest and Decision Tree algorithms in the same regression project?

I am currently working on a regression model for a project and considering using both Random Forest and Decision Tree algorithms. Given that Random Forest is essentially an ensemble of Decision...

23 July 2024 4,306 3 View

What are cultural bereavement practices of Jamaica that do not conflict with the Christian faith?

I am writing my thesis on the enculturation of Jamaican grief and bereavement practices that enhances their Christian faith and not diminish it.

23 July 2024 3,837 0 View

On the website RevMan, can I use OR already without raw data ?

I am conducting a systematic review and have an observational study. I want to perform some meta-analyses using the already calculated odds ratios. Can I use RevMan for this purpose? If not, do...

21 July 2024 4,110 4 View