What are the Roles of other teachers?

Respected researchers I have created a rubric for two English language teachers to identify the students into good, intermediate and weak English learners in my study. However, may I know how can...

11 December 2016 3,162 2 View

How can I describe on the ranked data?

Most non-parametric tests, are performed on ranked data, so you would have to convert the measurement observations to their ranks in the overakk data set: the smallest value gets a rank of 1, the...

11 December 2016 9,392 3 View

Respected Researchers, can I integrate parametric and nonparametric test?

I have been using the mann whitney and kruskal wallis test as the scores are not normally distributed. I have compared two different groups in the study. This serves as non-parametric research....

31 December 2015 3,550 6 View

Respected researchers, How can I assure the data that I have collected is valid and reliable enough?

How can I assure that the data that I have collected is valid and reliable enough?

31 December 2015 6,662 3 View

Is there any non-parametric test equivalent to a repeated measures analysis of covariance (ANCOVA)?

31 December 2015 6,541 14 View

Can I use ANOVA and ANCOVA repeated measures although scores are not normally distributed?

1. Can I consider the both tests have been robost by violating the normality procedures? Can I still use the both tests? Will it be valid?

31 December 2015 1,395 4 View

Can I use these both parametric tests although my scores are not normally distributed please?

Based on my scores, they are not normally distributed, Thus, I have conducted Friedman Test and also ANOVA and ANCOVA repeated measures based on the absolute means scores in order to identify...

31 December 2015 8,738 12 View

Respected researchers, the evaluation of scores?

I have collected data for my research and has assigned two senior teachers to give scores based on the data. The two teachers have given marks and also have collaborated when there was...

31 December 2015 1,170 2 View

Is it a must to refer to normal Q-Q plot to find the highest fitness of the scores?

Do I have to refer to normal Q-Q plot in order to find out the highest fitness of the scores?

31 December 2015 4,270 9 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

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

How long does it take to get a modeller(for homology modelling) license?

I submitted my e-mail address on modeller website to get a license. The problem is that, the site cannot process my school e-mail (ewhain.net). I submitted my Lab website and school name so that...

25 February 2021 9,054 3 View

Is it mandatory to specify Subjects Combinations in Generalized Linear Mixed Models (SPSS)?

Hi all, I have data with two levels: lets think of the classic example of students and schools. When running the analysis in SPSS and selecting the Random Effects, we can select (we can or we...

24 February 2021 7,379 4 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Which statistical test to use for comparison of different groups in a categorization?

I am doing a study on how programmers with different levels of expertise choose class names. A description was provided to the participants together with a list of possible class names for the...

21 February 2021 3,662 4 View

Statistical Tests for Quantitative Study?

Hello Everyone, I have one population, sample size 200. and needed to find the correlation between Variable A and B. Also, which T-test should I choose for hypothesis testing Please advise...

21 February 2021 7,591 4 View

Methodological confusions regarding deductive and inductive reasoning, hypothesis and theory test?

Hi Colleagues- What do you think about the following methodological issues: 1. Is it methodologically wrong to formulate quantitative research questionnaire based on inductive reasoning? 2. Is it...

21 February 2021 4,634 6 View