Does the double track education system compromise on quality for quantity?

One of the topical issues in many countries where free high school education is being vigorously pursued is the idea that quality will be compromised for quantity. The simple reason for this...

06 July 2018 2,288 0 View

What is the exact effect size classification by Cohen (1988)?

Effect size is an easy way of quantifying the difference between two groups which is more advantageous than only using tests of statistical significance. It seeks to reiterate the size of...

04 May 2018 9,055 7 View

Is there any difference between MANOVA and Mixed ANOVA?

The use of complex statistical tools for analysis has always posed a challenge to researchers due to the assumptions which they need to meet before their use. I would like to know where the...

01 February 2016 4,277 1 View

What is the philosophy behind the use of the cross-sectional descriptive design?

Researchers use designs which are underpinned by certain philosophies. I would like to know from colleagues the appropriate paradigmatic stance that is consistent with the cross-sectional...

01 February 2016 6,374 8 View

What are the differences between 'diglossie' from the perspectives of sociolinguists and 'diglossie' form the view point of didacticiens?

'Diglossie' is a linguistic term which is applicable in didactics and sociolinguistics. The real connotation of the notion is usually argued from the point of view of the two domains of learning:...

31 December 2015 9,663 7 View

How does one's paradigmatic orientation affect their definition of educational aims, goals and objectives in curriculum discourse?

There are clear differences in the notions: educational aims, goals and educational objectives. It is possible that the paradigmatic orientation of an individual would determine to a large extent,...

10 November 2014 6,238 31 View

What is theoretical tringulation and how can it be properly harnessed in linguistic and literary research?

Modern research places enormous task on researchers to use more than one method that guarantee valid propositions. One of such measures is adopting theoretical triangulation from different fields...

09 October 2014 8,602 5 View

What could be deduced as being Noam Chomsky's definition of a kernel sentence?

Kernel sentences are simple, active, declarative sentences containing no modifiers or connectives used in making more elaborate propositions. Did Chomsky define it in a different way at all? What...

09 October 2014 9,581 4 View

What is the contribution of Robert Lowth to the evolution of modern day English grammatical theory?

Robert Lowth is a household name in English grammatical theory. How has his writings positively influenced today's grammatical discourses?. Were there any weaknesses in his postulations?

08 September 2014 4,329 3 View

Is it actually true that the 'publish or perish' philosophy is watering down quality of instruction among faculty and administrators?

It is almost a forgone conclusion that promotion to a senior rank in a tertiary institution is contingent on one's ability or capacity to publish knowledge-filled quality papers for the...

08 September 2014 2,248 4 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

How to handle studies which report perfect effect sizes in a meta-analysis using Pearson's r?

I'm in the process of updating a meta-analysis and in one of the new studies, effect sizes are reported as Tau-U. Two of the effect sizes are reported as Tau-U = 1.00. I am using Andy Field's...

24 February 2021 2,265 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

How to determine a priori sample size for t-test with unequal means?

I need to conduct a a priori sample size determinations for t-test with unequal means, but I don't know the sizes of the groups nor the ratio of both groups... Can I do a sample size determination...

24 February 2021 8,289 3 View