Suitable statistics for measuring test-retest relibility of continuous data?

I have a translated questionnaire of physical activity levels which produce continuous data of Metabolic equivalents. I have learned that Cohens' Kappa is for categorical data and Cronbach Alpha...

03 April 2019 2,524 4 View

What if, post hoc test shows insignificant differences?

I ran ANOVA test to examine the mean differences among four groups and results were found significant at 0.05 Alpha level. Then, I ran Scheffe's post hoc test to see the between-group differences...

05 June 2018 8,775 3 View

How to report a negative t-value in your paper?

I have compared two groups on a certain variable and SPSS has produced a negative t-value. I have interpreted the results from p-value but the thing i want to know that whether the t-value be...

02 March 2018 621 6 View

Can I use mixed sampling technique i.e. both probability and non-probability techniques?

Will it be appropriate to use convenience sampling technique after stratifying the large population size into various strata?

10 November 2017 9,558 7 View

Which statistical test is appropriate if i have one predictor variable and multiple outcome variables?

I want to predict the changes in multiple variables with change in one independent variable in my analysis. Also suggest how to compute using SPSS.

09 October 2017 6,951 10 View

No title

I want this to validate physical activity questionnaire in local setting. Also suggest other cost friendly alternatives.

09 October 2017 6,027 4 View

Which is the most authentic online plagiarism checker software?

Just want to check similarity of text in my paper so as to lessen the chances of plagiarism.

06 July 2017 1,946 3 View

Which correlation method (pearson or spearman's) is best suitable while examining the concurrent validity of a modified construct?

01 January 1970 4,327 2 View

International Physical Activity Questionnaire and Global Physical Activity Questionnaire: Which instrument provide better results?

I am working on a project to assess the physical activity levels of adult population. I would like to know which questionnaire is better to use: IPAQ or GPAQ?

01 January 1970 5,632 5 View

Is it necessary to take a bigger sample in a survey study?

01 January 1970 2,829 5 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

What is the most reliable source to get Impact factor of journals?

Source to get Impact factor of journals

01 March 2021 6,654 2 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

Is there any Machine Learning/AI algorithm that lets you predict with incomplete features without missing value imputation process?

For instance, the model is trained with A,B,C,D,E features to predict F target. Then, I want to make prediction on a new data, but with only A,C,D,E is known without doing missing value imputation...

28 February 2021 1,556 6 View

What are the important topics in the field of Artificial Intelligence in Business world?

Dear All, I am doing my MS in Electronic Businesses. And I am interested in the AI field and its applications for businesses, its benefits, impacts, etc. What kind of scientific research dominate...

26 February 2021 8,816 6 View

Which index or sites are reliable in determining of plant species?

There are many indexes when determining plant species: Plants of the World Online (POWO), International Plants Names Index (www.ipni.org), The Plant List (www.theplantlist.org) and others. But...

26 February 2021 3,404 10 View

Suggest me some trending topics for phd research in text mining/AI/machine learning?

My master's research is in info retrieval and text mining. I would be grateful if you could help me to select a good topic for my phd research proposal.

24 February 2021 393 14 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

What does it require to be ready for e-Commerce in developing countries?

Most developing countries are not ready for e-Commerce? What dimensions and indicators are there to measure e-commerce readiness of a nation? Please share framework or model and evaluation...

22 February 2021 8,132 6 View

How can we improve AI in detecting fraudulent activities on digital payments?

I am conducting a study on the effectiveness of AI towards detecting and averting digital payment fraud. What are the popular AI techniques being adopted in mitigating digital fraud and how could...

21 February 2021 3,888 4 View