Can I used bootstrap in estimating answer distribution?

I applied a questionnaire to social workers, but the number of completed questionnaires is very low (9). On a item I obtain 4 for option a, 3 for option b and 3 for option c. Bootstrap can be used...

11 December 2016 8,294 7 View

There is a statistical tool for comparing multiple scales?

I have 4 items to a questionnaire in which the answers were the same type of scale: from 0 to 5, 0 for always false and 5 for always true. I want to study if an item score can determine certain...

08 September 2016 1,974 4 View

What would be most effective teaching methods for generation N(et) students ?

As a teacher I noticed that my style of teaching has changed in the last 10 years. Beyond the technical aspects (moving from projector to laptop) I noticed that my teaching style has changed....

05 June 2016 5,627 3 View

In teaching, emotion and care are different concepts?

04 May 2016 582 2 View

Is homework good or bad for students?

I'm interested in your opinion for two categories of student: primary school student and highschool student

04 May 2016 9,749 16 View

As a teacher, what was the hardest truth that a student told you?

04 May 2016 830 13 View

How useful (or useless) consider a student is the computer as instrument used for teaching (from student point of view)?

I'm interested in two things: 1. What do you think about this? 2. Do you know some research on this topic?

03 April 2016 1,313 4 View

Do you downvote an answer? Why?

I searched the RG questions that refer to down-vote, but I found only questions concerning perception of this option. I'm interested to understand why you could down-vote (or not down-vote) a...

02 March 2016 2,323 5 View

Cronbach Alpha coefficients can be used in interpreting data ?

Cronbach Alpha (CA) is generally used as a measure of internal consistency or reliability of a psychometric instrument. Can Cronbach Alpha be used a tool for results interpretation?

01 February 2016 4,547 4 View

Compare the teacher reaction?

Do you think it could be interesting in the study that you have done to compare the distributions of teachers reactions: those who responded, those who sent nonresponse form and those who did not...

04 May 2015 7,069 1 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