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Questions related to Reliability
After running the McDonald Omega in SPSS 28, I regularly get this statement "Omega cannot be estimated due to negative or zero item covariances. This may be due to items needing to be reverse...
07 August 2023 212 4 View
I'm working on a qualitative study that will include 30 interviews conducted online in Arabic. Can you please recommend reliable transcription software that supports Arabic? It doesn't have to be free
28 July 2023 776 1 View
How to conduct a systematic literature review?
23 July 2023 6,707 3 View
I am conducting a soil sampling study to assess changes in bulk density over time, using the excavation method. The ideal pit dimensions are 20 cm x 20 cm x 50 cm (total depth). To ensure...
20 July 2023 5,022 1 View
I am currently isolating bone marrow derived macrophages from femurs and plating them in 24-well plate (400k/ml in each well). I'm facing issues with poor attachment and low cell count. How should...
17 July 2023 1,968 1 View
I have tried this application on 2 other laptops and on 64-bit operating system, x64-based processor with 32 GB RAM,and I am facing the same issue.
05 July 2023 7,186 4 View
Hi everyone I am doing my first meta-analysis using a three-level model. Looking at the information of study heterogeneity, a very (and seemingly unusually) large percentage of variance is...
27 June 2023 8,535 0 View
What is the importance of soil carbon storage and why should we increase carbon content and build soil organic matter?
16 June 2023 3,361 3 View
What polymers are used in dentistry that consist of carbon, oxygen and phosphorus? Where is there information about this? Thank you!
15 June 2023 7,869 2 View
The World Health Organization (WHO) declared COVID-19 a pandemic on March 11, 2020, and announced the END of public health emergency of international concern on May 5, 2023. However, Covid-19...
15 June 2023 2,793 2 View
I have designed a questionnaire to measure the metacognitive skills in mathematical problem solving. I measured the reliability of it using Cronbach's alpha and it was 0.519. Since it is a low...
06 June 2023 6,208 1 View
When doing linear regression, in order to ensure the robustness of the model, I first included only key variables, but at this time some key variables did not pass the significance test. And when...
24 May 2023 5,782 3 View
Can I perform Principal component analysis on SPSS and then move to Smartpls to test hypotheses? (Higher and lower order constructs are all reflective).
20 May 2023 5,420 7 View
I am trying to run a spatio-temporal autoregressive model (STAR). Therefore I need to create a spatial weight matrix W with N × T rows and N × T columns to weight country interdependencies based...
16 May 2023 7,741 3 View
Hi Everyone, I am trying to label mouse vasculature using Lectin Dylight 594 by transcardial perfusion. I have had success at 20ug/mL with the labeling and the architecture of the vasculature...
26 April 2023 7,123 1 View
The theoretical IC50 value is required to determine the coefficient of interaction to see if the interaction between different combination of plant extract is synergistic or antagonistic.
25 April 2023 3,876 1 View
Hi everyone Hope you can help me with this, as I am currently working on a meta-analysis I did in a smaller scale as part of my Phd dissertation, which is now becoming a paper to be submitted....
12 April 2023 4,889 4 View
My overall question is - why are these aldehyde reactive biotinylated probes having high nonspecific interactions with DNA, and how can I remove it prior to my elution steps? I have been working...
09 April 2023 1,836 4 View
In machine learning, gradient descent is used to find the best line matching the training set, but as I know in statistics certain formulas are used to calculate regression parameters. Is there a...
05 April 2023 7,678 3 View
This is required to for a PhD research.
30 March 2023 8,353 3 View
I need interview guide a,d focus group guide tool
29 March 2023 2,461 3 View
For example, when searching over the PubMed database, we get 125,000. But PubMed has some limitation that just allow us to screen until 1000 results. Do anyone come across this situation, and what...
20 March 2023 6,031 1 View
How nano fertilizers a sustainable technology for improving crop nutrition and food security and role of nano fertilizers in agriculture?
16 March 2023 1,210 9 View
Career at other international medical faculties and health organisations
08 March 2023 7,202 8 View