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 select two low enrolment schools for pilot testing?

two low enrolment schools, 15 subjects for pilot testing

31 December 2015 9,580 2 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

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 compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View