Oscar Oviedo-Trespalacios

11 Questions 29 Answers 0 Followers

Questions related from Oscar Oviedo-Trespalacios

Can I do a T-test between males and females for a single likert item?

I have seen this in some papers. However, Some people use non-parametric test also. I would like to know some statistical considerations.

02 February 2016 893 11 View

How can I fit a Hierarchical regression with 2 categorical and multiple scale variables in SPSS?

02 February 2015 9,741 3 View

How can I measure heterogeneous variables along a road segment?

I am not sure how to design the sampling plan. It is time consuming to measure the variable along the entire road (200 km. Aprox). How many samples are statistically representative? Should I think...

12 December 2014 2,753 14 View

How to represent human-machine systems?

I need to draw the interaction and different modes of driving with GPS

05 May 2014 3,683 2 View

Is the affiliation of an author related with his/her actual position or the place where he/she made the research?

I am interested in know, what is the correct practice when you change your position and have some unpublished research results (without any specific funding). Is it appropriate to use both...

03 March 2014 6,185 11 View

What should be considered as an indicator of the editorial process speed in scientific journals?

I usually consider the number of issues per year. But I want to know other strategies you usually do to estimate the editorial speed? Any idea where can I consult this?

03 March 2014 857 6 View

What do you think about to ask other researchers to review my working papers in order to receive prior feedback?

I think that platforms like Open Review could help with this. It is true that this could help to improve my work in order to get high impact publications, but I want to hear the implications.

03 March 2014 2,336 1 View

Does anyone know the best way to report several logistic regressions (different responses, same independent variables) in a journal article?

Some examples? Recommendations?

03 March 2014 8,460 5 View

I have one binomial variable associated to two (or more) groups. Which is the best test for identifying proportion differences?

Any online tools?

11 November 2013 5,554 6 View

Where can I find good self learning materials on Structural Equations Modelling (SEM)?

I am looking for free resources on Structural Equations Modelling.

10 October 2013 10,054 7 View

is there an open source software for Decision Trees?

Chaid

10 October 2013 481 4 View