Can you help me with latent class or Latent profile analysis learning materials?

Hi, I want to learn more about latent class/ latent profile analysis as part of a research project. I wish you could point me out to materials/courses based on R or other free software. Thanks.

08 September 2017 9,225 5 View

What multivariate statistical technique can help me to identify possible association between different risk behaviors measured as present or absent?

We assessed different risk behaviors and consequences associated with alcohol use. We asked the participants if they were involved in a given behavior (e.g: driving under the inffluence) the...

09 October 2016 6,711 8 View

What is the smallest possible sample size for a reliable mann-whitney-wilcoxon analysis?

07 August 2015 2,993 4 View

What are some relevant references or teaching activities for teaching to write research objectives?

I am a lecturer in psychological research methods (undergraduate level). Next semester I will be guiding four research projects as a part of my academic role. Every semester I observe that...

06 July 2014 1,574 1 View

What are the best R packages for exploratory data analysis of psychological data?

05 June 2014 6,378 14 View

Can anyone help with evaluation of intervention for police units?

I need to evaluate the impact of an intervention that was applied at different times in a number of police units to improve the effectiveness of the police. We need to control other covariates...

05 June 2014 7,295 3 View

Reproducible research in psychology and social sciences?

Recently I've been following some data analysis sites and noticed this topic. As a psychologist I'm interested in the advances in my discipline related to reproducible research. Can anyone...

09 October 2013 5,041 6 View

Can anyone point me out some literature about systematic reviews to identify the best pychometric instruments in the area of addiction research.

I'm preparing a proposal in the area research on addiction in the adolescent population.

10 November 2012 9,458 12 View

Can anyone suggest research on sensitivity to change indexes in the context of validation of a psychometric instrument?

09 October 2012 1,041 15 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

No title

01 March 2021 3,905 5 View

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

01 March 2021 8,087 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

How to highlight novelty in your research paper?

I have come up with a method and had written a paper on it. Paper got rejected by a journal stating that there is no theoretical novelty. I am kind of confused on why the novelty that I am able to...

28 February 2021 2,393 8 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View